18960956137 has 16 divisors (see below), whose sum is σ = 20342016000. Its totient is φ = 17609679360.

The previous prime is 18960956129. The next prime is 18960956141. The reversal of 18960956137 is 73165906981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18960956137 - 2³ = 18960956129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18960951137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476989 + ... + 3482437.

It is an arithmetic number, because the mean of its divisors is an integer number (1271376000).

Almost surely, 2^18960956137 is an apocalyptic number.

18960956137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18960956137 is a deficient number, since it is larger than the sum of its proper divisors (1381059863).

18960956137 is a wasteful number, since it uses less digits than its factorization.

18960956137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 18960956137 in words is "eighteen billion, nine hundred sixty million, nine hundred fifty-six thousand, one hundred thirty-seven".