2664690051 has 16 divisors (see below), whose sum is σ = 3636864000. Its totient is φ = 1734662208.

The previous prime is 2664690043. The next prime is 2664690053. The reversal of 2664690051 is 1500964662.

It is not a de Polignac number, because 2664690051 - 2³ = 2664690043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664689991 and 2664690009.

It is not an unprimeable number, because it can be changed into a prime (2664690053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40375 + ... + 83423.

It is an arithmetic number, because the mean of its divisors is an integer number (227304000).

Almost surely, 2^2664690051 is an apocalyptic number.

2664690051 is a deficient number, since it is larger than the sum of its proper divisors (972173949).

2664690051 is a wasteful number, since it uses less digits than its factorization.

2664690051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43538.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2664690051 is about 51620.6359027085. The cubic root of 2664690051 is about 1386.3798368217.

The spelling of 2664690051 in words is "two billion, six hundred sixty-four million, six hundred ninety thousand, fifty-one".