1625172048 has 60 divisors (see below), whose sum is σ = 4550933920. Its totient is φ = 541401408.

The previous prime is 1625172013. The next prime is 1625172061. The reversal of 1625172048 is 8402715261.

1625172048 is a `hidden beast` number, since 1 + 625 + 1 + 7 + 20 + 4 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467565 + ... + 471027.

Almost surely, 2^1625172048 is an apocalyptic number.

1625172048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1625172048 is an abundant number, since it is smaller than the sum of its proper divisors (2925761872).

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

1625172048 is a wasteful number, since it uses less digits than its factorization.

1625172048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1625172048 is about 40313.4226778129. The cubic root of 1625172048 is about 1175.7088339275.

The spelling of 1625172048 in words is "one billion, six hundred twenty-five million, one hundred seventy-two thousand, forty-eight".