16401256741360 has 80 divisors (see below), whose sum is σ = 38173863162816. Its totient is φ = 6553461049344.

The previous prime is 16401256741351. The next prime is 16401256741391. The reversal of 16401256741360 is 6314765210461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 16401256741360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758849914 + ... + 758871526.

Almost surely, 2^{16401256741360} is an apocalyptic number.

16401256741360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16401256741360 is an abundant number, since it is smaller than the sum of its proper divisors (21772606421456).

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

16401256741360 is a wasteful number, since it uses less digits than its factorization.

16401256741360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31370 (or 31364 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 16401256741360 in words is "sixteen trillion, four hundred one billion, two hundred fifty-six million, seven hundred forty-one thousand, three hundred sixty".