345166451874 has 32 divisors (see below), whose sum is σ = 800385978240. Its totient is φ = 110053071216.

The previous prime is 345166451857. The next prime is 345166451887. The reversal of 345166451874 is 478154661543.

345166451874 is a `hidden beast` number, since 3 + 4 + 51 + 6 + 6 + 4 + 518 + 74 = 666.

It is a super-2 number, since 2×345166451874² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345166451874.

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, 138954657 + ... + 138957140.

It is an arithmetic number, because the mean of its divisors is an integer number (25012061820).

Almost surely, 2^345166451874 is an apocalyptic number.

345166451874 is an abundant number, since it is smaller than the sum of its proper divisors (455219526366).

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

345166451874 is a wasteful number, since it uses less digits than its factorization.

345166451874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277911831 (or 277911825 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 345166451874 in words is "three hundred forty-five billion, one hundred sixty-six million, four hundred fifty-one thousand, eight hundred seventy-four".