152218498690 has 32 divisors (see below), whose sum is σ = 277121885040. Its totient is φ = 60192405504.

The previous prime is 152218498657. The next prime is 152218498709. The reversal of 152218498690 is 96894812251.

It can be written as a sum of positive squares in 8 ways, for example, as 89401598001 + 62816900689 = 299001^2 + 250633^2 .

It is a super-2 number, since 2×152218498690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6429114 + ... + 6452746.

Almost surely, 2^152218498690 is an apocalyptic number.

152218498690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152218498690 is a deficient number, since it is larger than the sum of its proper divisors (124903386350).

152218498690 is a wasteful number, since it uses less digits than its factorization.

152218498690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30966.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 152218498690 in words is "one hundred fifty-two billion, two hundred eighteen million, four hundred ninety-eight thousand, six hundred ninety".