2973156164 has 48 divisors (see below), whose sum is σ = 5971746816. Its totient is φ = 1282809600.

The previous prime is 2973156139. The next prime is 2973156223. The reversal of 2973156164 is 4616513792.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44477 + ... + 89019.

It is an arithmetic number, because the mean of its divisors is an integer number (124411392).

Almost surely, 2^2973156164 is an apocalyptic number.

It is an amenable number.

2973156164 is an abundant number, since it is smaller than the sum of its proper divisors (2998590652).

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

2973156164 is a wasteful number, since it uses less digits than its factorization.

2973156164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44636 (or 44634 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 2973156164 is about 54526.6555365355. The cubic root of 2973156164 is about 1437.9349521767.

The spelling of 2973156164 in words is "two billion, nine hundred seventy-three million, one hundred fifty-six thousand, one hundred sixty-four".