2661380147364 has 96 divisors (see below), whose sum is σ = 6424389780480. Its totient is φ = 856851000192.

The previous prime is 2661380147359. The next prime is 2661380147411. The reversal of 2661380147364 is 4637410831662.

It is a super-2 number, since 2×2661380147364² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46623889 + ... + 46680935.

It is an arithmetic number, because the mean of its divisors is an integer number (66920726880).

Almost surely, 2^{2661380147364} is an apocalyptic number.

It is an amenable number.

2661380147364 is an abundant number, since it is smaller than the sum of its proper divisors (3763009633116).

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

2661380147364 is a wasteful number, since it uses less digits than its factorization.

2661380147364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57857 (or 57855 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 2661380147364 in words is "two trillion, six hundred sixty-one billion, three hundred eighty million, one hundred forty-seven thousand, three hundred sixty-four".