180010557 has 12 divisors (see below), whose sum is σ = 262402140. Its totient is φ = 118905408.

The previous prime is 180010553. The next prime is 180010591. The reversal of 180010557 is 755010081.

It can be written as a sum of positive squares in 2 ways, for example, as 148133241 + 31877316 = 12171^2 + 5646^2 .

It is not a de Polignac number, because 180010557 - 2² = 180010553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180010557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180010553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90768 + ... + 92729.

It is an arithmetic number, because the mean of its divisors is an integer number (21866845).

Almost surely, 2^180010557 is an apocalyptic number.

It is an amenable number.

180010557 is a deficient number, since it is larger than the sum of its proper divisors (82391583).

180010557 is a wasteful number, since it uses less digits than its factorization.

180010557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183612 (or 183609 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 180010557 is about 13416.8012953908. The cubic root of 180010557 is about 564.6326554654.

The spelling of 180010557 in words is "one hundred eighty million, ten thousand, five hundred fifty-seven".