18405162054690 has 64 divisors (see below), whose sum is σ = 45877043146752. Its totient is φ = 4720579819200.

The previous prime is 18405162054589. The next prime is 18405162054757. The reversal of 18405162054690 is 9645026150481.

It is a super-2 number, since 2×18405162054690² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60555456 + ... + 60858635.

It is an arithmetic number, because the mean of its divisors is an integer number (716828799168).

Almost surely, 2^{18405162054690} is an apocalyptic number.

18405162054690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18405162054690 is an abundant number, since it is smaller than the sum of its proper divisors (27471881092062).

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

18405162054690 is a wasteful number, since it uses less digits than its factorization.

18405162054690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121414295.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 18405162054690 in words is "eighteen trillion, four hundred five billion, one hundred sixty-two million, fifty-four thousand, six hundred ninety".