2155507076 has 24 divisors (see below), whose sum is σ = 3897329856. Its totient is φ = 1042333920.

The previous prime is 2155507069. The next prime is 2155507093. The reversal of 2155507076 is 6707055512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18890 + ... + 68321.

It is an arithmetic number, because the mean of its divisors is an integer number (162388744).

Almost surely, 2^2155507076 is an apocalyptic number.

It is an amenable number.

2155507076 is a deficient number, since it is larger than the sum of its proper divisors (1741822780).

2155507076 is a wasteful number, since it uses less digits than its factorization.

2155507076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87419 (or 87417 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 2155507076 is about 46427.4388266249. The cubic root of 2155507076 is about 1291.7639223021.

The spelling of 2155507076 in words is "two billion, one hundred fifty-five million, five hundred seven thousand, seventy-six".