16556540123150 has 24 divisors (see below), whose sum is σ = 30807236667504. Its totient is φ = 6620019912000.

The previous prime is 16556540123143. The next prime is 16556540123203. The reversal of 16556540123150 is 5132104565561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64774607 + ... + 65029706.

It is an arithmetic number, because the mean of its divisors is an integer number (1283634861146).

Almost surely, 2^{16556540123150} is an apocalyptic number.

16556540123150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16556540123150 is a deficient number, since it is larger than the sum of its proper divisors (14250696544354).

16556540123150 is a wasteful number, since it uses less digits than its factorization.

16556540123150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129806876 (or 129806871 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 16556540123150 in words is "sixteen trillion, five hundred fifty-six billion, five hundred forty million, one hundred twenty-three thousand, one hundred fifty".