255161624 has 8 divisors (see below), whose sum is σ = 478428060. Its totient is φ = 127580808.

The previous prime is 255161617. The next prime is 255161629. The reversal of 255161624 is 426161552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255161629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15947594 + ... + 15947609.

Almost surely, 2^255161624 is an apocalyptic number.

It is an amenable number.

255161624 is a deficient number, since it is larger than the sum of its proper divisors (223266436).

255161624 is a wasteful number, since it uses less digits than its factorization.

255161624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31895209 (or 31895205 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 255161624 is about 15973.7792647826. The cubic root of 255161624 is about 634.2665174621.

The spelling of 255161624 in words is "two hundred fifty-five million, one hundred sixty-one thousand, six hundred twenty-four".