180151997954 has 16 divisors (see below), whose sum is σ = 270711624960. Its totient is φ = 89914919520.

The previous prime is 180151997947. The next prime is 180151998043. The reversal of 180151997954 is 459799151081.

It is a super-2 number, since 2×180151997954² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180151997893 and 180151997902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856647 + ... + 2919029.

It is an arithmetic number, because the mean of its divisors is an integer number (16919476560).

Almost surely, 2^180151997954 is an apocalyptic number.

180151997954 is a deficient number, since it is larger than the sum of its proper divisors (90559627006).

180151997954 is a wasteful number, since it uses less digits than its factorization.

180151997954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64945.

The product of its (nonzero) digits is 4082400, while the sum is 59.

The spelling of 180151997954 in words is "one hundred eighty billion, one hundred fifty-one million, nine hundred ninety-seven thousand, nine hundred fifty-four".