2155061624 has 32 divisors (see below), whose sum is σ = 4260762000. Its totient is φ = 1019054592.

The previous prime is 2155061621. The next prime is 2155061663. The reversal of 2155061624 is 4261605512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155061621) by changing a digit.

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, 78182 + ... + 102090.

Almost surely, 2^2155061624 is an apocalyptic number.

It is an amenable number.

2155061624 is a deficient number, since it is larger than the sum of its proper divisors (2105700376).

2155061624 is a wasteful number, since it uses less digits than its factorization.

2155061624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24527 (or 24523 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2155061624 is about 46422.6412863379. The cubic root of 2155061624 is about 1291.6749318782.

The spelling of 2155061624 in words is "two billion, one hundred fifty-five million, sixty-one thousand, six hundred twenty-four".