101661566600434 has 8 divisors (see below), whose sum is σ = 152492393637468. Its totient is φ = 50830768721280.

The previous prime is 101661566600389. The next prime is 101661566600443. The reversal of 101661566600434 is 434006665166101.

It can be written as a sum of positive squares in 2 ways, for example, as 99890529975625 + 1771036624809 = 9994525^2 + 1330803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7138174 + ... + 15946054.

Almost surely, 2^{101661566600434} is an apocalyptic number.

101661566600434 is a deficient number, since it is larger than the sum of its proper divisors (50830827037034).

101661566600434 is an equidigital number, since it uses as much as digits as its factorization.

101661566600434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578940.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 101661566600434 in words is "one hundred one trillion, six hundred sixty-one billion, five hundred sixty-six million, six hundred thousand, four hundred thirty-four".