1016654625420 has 576 divisors, whose sum is σ = 3698327808000. Its totient is φ = 206770765824.

The previous prime is 1016654625359. The next prime is 1016654625433. The reversal of 1016654625420 is 245264566101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 682776036 + ... + 682777524.

It is an arithmetic number, because the mean of its divisors is an integer number (6420708000).

Almost surely, 2^{1016654625420} is an apocalyptic number.

1016654625420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016654625420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849163904000).

1016654625420 is an abundant number, since it is smaller than the sum of its proper divisors (2681673182580).

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

1016654625420 is a wasteful number, since it uses less digits than its factorization.

1016654625420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1016654625420 in words is "one trillion, sixteen billion, six hundred fifty-four million, six hundred twenty-five thousand, four hundred twenty".