16225777460 has 48 divisors (see below), whose sum is σ = 34726962816. Its totient is φ = 6367143552.

The previous prime is 16225777459. The next prime is 16225777471. The reversal of 16225777460 is 6477752261.

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, 183614 + ... + 257226.

It is an arithmetic number, because the mean of its divisors is an integer number (723478392).

Almost surely, 2^16225777460 is an apocalyptic number.

16225777460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16225777460 is an abundant number, since it is smaller than the sum of its proper divisors (18501185356).

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

16225777460 is a wasteful number, since it uses less digits than its factorization.

16225777460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73832 (or 73830 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 16225777460 in words is "sixteen billion, two hundred twenty-five million, seven hundred seventy-seven thousand, four hundred sixty".