345207661560 has 96 divisors (see below), whose sum is σ = 1122278274000. Its totient is φ = 92026381824.

The previous prime is 345207661553. The next prime is 345207661609. The reversal of 345207661560 is 65166702543.

345207661560 is a `hidden beast` number, since 3 + 4 + 5 + 20 + 7 + 6 + 61 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 1005831 + ... + 1304649.

Almost surely, 2^345207661560 is an apocalyptic number.

345207661560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345207661560 is an abundant number, since it is smaller than the sum of its proper divisors (777070612440).

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

345207661560 is a wasteful number, since it uses less digits than its factorization.

345207661560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302045 (or 302038 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 345207661560 in words is "three hundred forty-five billion, two hundred seven million, six hundred sixty-one thousand, five hundred sixty".