16111701456 has 20 divisors (see below), whose sum is σ = 41621895552. Its totient is φ = 5370567136.

The previous prime is 16111701449. The next prime is 16111701461. The reversal of 16111701456 is 65410711161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167830176 + ... + 167830271.

Almost surely, 2^16111701456 is an apocalyptic number.

16111701456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16111701456 is an abundant number, since it is smaller than the sum of its proper divisors (25510194096).

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

16111701456 is a wasteful number, since it uses less digits than its factorization.

16111701456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335660458 (or 335660452 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 16111701456 in words is "sixteen billion, one hundred eleven million, seven hundred one thousand, four hundred fifty-six".