16252251261360 has 80 divisors (see below), whose sum is σ = 53345624741856. Its totient is φ = 4078996393984.

The previous prime is 16252251261347. The next prime is 16252251261361. The reversal of 16252251261360 is 6316215225261.

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

It is a super-2 number, since 2×16252251261360² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16252251261361) 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, 1991693379 + ... + 1991701538.

Almost surely, 2^{16252251261360} is an apocalyptic number.

16252251261360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16252251261360 is an abundant number, since it is smaller than the sum of its proper divisors (37093373480496).

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

16252251261360 is a wasteful number, since it uses less digits than its factorization.

16252251261360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983394950 (or 3983394944 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16252251261360 in words is "sixteen trillion, two hundred fifty-two billion, two hundred fifty-one million, two hundred sixty-one thousand, three hundred sixty".