2902640164 has 6 divisors (see below), whose sum is σ = 5079620294. Its totient is φ = 1451320080.

The previous prime is 2902640159. The next prime is 2902640171. The reversal of 2902640164 is 4610462092.

It can be written as a sum of positive squares in only one way, i.e., 2751841764 + 150798400 = 52458^2 + 12280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362830017 + ... + 362830024.

Almost surely, 2^2902640164 is an apocalyptic number.

It is an amenable number.

2902640164 is a deficient number, since it is larger than the sum of its proper divisors (2176980130).

2902640164 is a wasteful number, since it uses less digits than its factorization.

2902640164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725660045 (or 725660043 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2902640164 is about 53876.1558019872. The cubic root of 2902640164 is about 1426.4757730972.

The spelling of 2902640164 in words is "two billion, nine hundred two million, six hundred forty thousand, one hundred sixty-four".