1625465016 has 256 divisors, whose sum is σ = 5514854400. Its totient is φ = 433496448.

The previous prime is 1625465011. The next prime is 1625465021. The reversal of 1625465016 is 6105645261.

1625465016 is a `hidden beast` number, since 1 + 62 + 546 + 50 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1625465011) and next prime (1625465021).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625465011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1494825 + ... + 1495911.

It is an arithmetic number, because the mean of its divisors is an integer number (21542400).

Almost surely, 2^1625465016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625465016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757427200).

1625465016 is an abundant number, since it is smaller than the sum of its proper divisors (3889389384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625465016 is a wasteful number, since it uses less digits than its factorization.

1625465016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1625465016 is about 40317.0561425310. The cubic root of 1625465016 is about 1175.7794776009.

It can be divided in two parts, 16254 and 65016, that multiplied together give a square (1056770064 = 32508²).

The spelling of 1625465016 in words is "one billion, six hundred twenty-five million, four hundred sixty-five thousand, sixteen".