18528156954 has 48 divisors (see below), whose sum is σ = 40319795880. Its totient is φ = 6149122560.

The previous prime is 18528156949. The next prime is 18528157031. The reversal of 18528156954 is 45965182581.

18528156954 is a `hidden beast` number, since 1 + 8 + 5 + 28 + 1 + 569 + 54 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6858324225 + 11669832729 = 82815^2 + 108027^2 .

It is a super-2 number, since 2×18528156954² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18528156954.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4309734 + ... + 4314030.

Almost surely, 2^18528156954 is an apocalyptic number.

18528156954 is an abundant number, since it is smaller than the sum of its proper divisors (21791638926).

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

18528156954 is a wasteful number, since it uses less digits than its factorization.

18528156954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295 (or 5292 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 54.

The spelling of 18528156954 in words is "eighteen billion, five hundred twenty-eight million, one hundred fifty-six thousand, nine hundred fifty-four".