16556142467031 has 32 divisors (see below), whose sum is σ = 22152624355008. Its totient is φ = 10998634352640.

The previous prime is 16556142467027. The next prime is 16556142467041. The reversal of 16556142467031 is 13076424165561.

It is not a de Polignac number, because 16556142467031 - 2² = 16556142467027 is a prime.

It is a super-2 number, since 2×16556142467031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556142467041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2682022261 + ... + 2682028433.

It is an arithmetic number, because the mean of its divisors is an integer number (692269511094).

Almost surely, 2^{16556142467031} is an apocalyptic number.

16556142467031 is a deficient number, since it is larger than the sum of its proper divisors (5596481887977).

16556142467031 is a wasteful number, since it uses less digits than its factorization.

16556142467031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 16556142467031 in words is "sixteen trillion, five hundred fifty-six billion, one hundred forty-two million, four hundred sixty-seven thousand, thirty-one".