16946121936 has 40 divisors (see below), whose sum is σ = 44228808064. Its totient is φ = 5590471680.

The previous prime is 16946121919. The next prime is 16946121947. The reversal of 16946121936 is 63912164961.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815160 + ... + 1824471.

Almost surely, 2^16946121936 is an apocalyptic number.

16946121936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16946121936 is an abundant number, since it is smaller than the sum of its proper divisors (27282686128).

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

16946121936 is a wasteful number, since it uses less digits than its factorization.

16946121936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639739 (or 3639733 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The spelling of 16946121936 in words is "sixteen billion, nine hundred forty-six million, one hundred twenty-one thousand, nine hundred thirty-six".