16256217760 has 24 divisors (see below), whose sum is σ = 38405314836. Its totient is φ = 6502487040.

The previous prime is 16256217743. The next prime is 16256217767. The reversal of 16256217760 is 6771265261.

It can be written as a sum of positive squares in 2 ways, for example, as 15067071504 + 1189146256 = 122748^2 + 34484^2 .

It is not an unprimeable number, because it can be changed into a prime (16256217767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50800521 + ... + 50800840.

Almost surely, 2^16256217760 is an apocalyptic number.

16256217760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16256217760 is an abundant number, since it is smaller than the sum of its proper divisors (22149097076).

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

16256217760 is a wasteful number, since it uses less digits than its factorization.

16256217760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101601376 (or 101601368 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 16256217760 in words is "sixteen billion, two hundred fifty-six million, two hundred seventeen thousand, seven hundred sixty".