101640060660874 has 4 divisors (see below), whose sum is σ = 152460090991314. Its totient is φ = 50820030330436.

The previous prime is 101640060660847. The next prime is 101640060660937. The reversal of 101640060660874 is 478066060046101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95843258061849 + 5796802599025 = 9789957^2 + 2407655^2 .

It is a super-2 number, since 2×101640060660874² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25410015165217 + ... + 25410015165220.

Almost surely, 2^{101640060660874} is an apocalyptic number.

101640060660874 is a deficient number, since it is larger than the sum of its proper divisors (50820030330440).

101640060660874 is an equidigital number, since it uses as much as digits as its factorization.

101640060660874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50820030330439.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 101640060660874 in words is "one hundred one trillion, six hundred forty billion, sixty million, six hundred sixty thousand, eight hundred seventy-four".