2977491168 has 72 divisors (see below), whose sum is σ = 8610802200. Its totient is φ = 975669504.

The previous prime is 2977491149. The next prime is 2977491199. The reversal of 2977491168 is 8611947792.

2977491168 is a `hidden beast` number, since 2 + 97 + 7 + 491 + 1 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70623 + ... + 104606.

It is an arithmetic number, because the mean of its divisors is an integer number (119594475).

Almost surely, 2^2977491168 is an apocalyptic number.

It is an amenable number.

2977491168 is an abundant number, since it is smaller than the sum of its proper divisors (5633311032).

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

2977491168 is a wasteful number, since it uses less digits than its factorization.

2977491168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175304 (or 175293 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 2977491168 is about 54566.3922941585. The cubic root of 2977491168 is about 1438.6334721243.

The spelling of 2977491168 in words is "two billion, nine hundred seventy-seven million, four hundred ninety-one thousand, one hundred sixty-eight".