2661376376164 has 36 divisors (see below), whose sum is σ = 5284439179264. Its totient is φ = 1170693414000.

The previous prime is 2661376376137. The next prime is 2661376376173. The reversal of 2661376376164 is 4616736731662.

It is a junction number, because it is equal to n+sod(n) for n = 2661376376099 and 2661376376108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88673892 + ... + 88703899.

Almost surely, 2^{2661376376164} is an apocalyptic number.

It is an amenable number.

2661376376164 is a deficient number, since it is larger than the sum of its proper divisors (2623062803100).

2661376376164 is a wasteful number, since it uses less digits than its factorization.

2661376376164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177377848 (or 177377835 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 58.

The spelling of 2661376376164 in words is "two trillion, six hundred sixty-one billion, three hundred seventy-six million, three hundred seventy-six thousand, one hundred sixty-four".