2664690052 has 12 divisors (see below), whose sum is σ = 4667703040. Its totient is φ = 1331060616.

The previous prime is 2664690043. The next prime is 2664690053. The reversal of 2664690052 is 2500964662.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2664689987 and 2664690014.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316428 + ... + 324739.

Almost surely, 2^2664690052 is an apocalyptic number.

It is an amenable number.

2664690052 is a deficient number, since it is larger than the sum of its proper divisors (2003012988).

2664690052 is a wasteful number, since it uses less digits than its factorization.

2664690052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642210 (or 642208 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2664690052 is about 51620.6359123946. The cubic root of 2664690052 is about 1386.3798369951.

The spelling of 2664690052 in words is "two billion, six hundred sixty-four million, six hundred ninety thousand, fifty-two".