16125623055 has 48 divisors (see below), whose sum is σ = 28536636960. Its totient is φ = 8421310464.

The previous prime is 16125623051. The next prime is 16125623147. The reversal of 16125623055 is 55032652161.

16125623055 is a `hidden beast` number, since 1 + 6 + 1 + 25 + 623 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 16125623055 - 2² = 16125623051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125623051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670519 + ... + 694151.

It is an arithmetic number, because the mean of its divisors is an integer number (594513270).

Almost surely, 2^16125623055 is an apocalyptic number.

16125623055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16125623055 is a deficient number, since it is larger than the sum of its proper divisors (12411013905).

16125623055 is a wasteful number, since it uses less digits than its factorization.

16125623055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23960 (or 23957 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 16125623055 in words is "sixteen billion, one hundred twenty-five million, six hundred twenty-three thousand, fifty-five".