16920180126 has 32 divisors (see below), whose sum is σ = 38237702400. Its totient is φ = 5544464760.

The previous prime is 16920180103. The next prime is 16920180127. The reversal of 16920180126 is 62108102961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920180127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652210 + ... + 2658581.

It is an arithmetic number, because the mean of its divisors is an integer number (1194928200).

Almost surely, 2^16920180126 is an apocalyptic number.

16920180126 is an abundant number, since it is smaller than the sum of its proper divisors (21317522274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16920180126 is a wasteful number, since it uses less digits than its factorization.

16920180126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310861 (or 5310855 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 16920180126 in words is "sixteen billion, nine hundred twenty million, one hundred eighty thousand, one hundred twenty-six".