16951181952 has 64 divisors (see below), whose sum is σ = 45040996800. Its totient is φ = 5648584704.

The previous prime is 16951181939. The next prime is 16951181963. The reversal of 16951181952 is 25918115961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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

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, 1783549 + ... + 1793027.

It is an arithmetic number, because the mean of its divisors is an integer number (703765575).

Almost surely, 2^16951181952 is an apocalyptic number.

16951181952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16951181952 is an abundant number, since it is smaller than the sum of its proper divisors (28089814848).

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

16951181952 is an equidigital number, since it uses as much as digits as its factorization.

16951181952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14153 (or 14141 counting only the distinct ones).

The product of its digits is 194400, while the sum is 48.

The spelling of 16951181952 in words is "sixteen billion, nine hundred fifty-one million, one hundred eighty-one thousand, nine hundred fifty-two".