16325561730 has 16 divisors (see below), whose sum is σ = 39181348224. Its totient is φ = 4353483120.

The previous prime is 16325561717. The next prime is 16325561743. The reversal of 16325561730 is 3716552361.

It is an interprime number because it is at equal distance from previous prime (16325561717) and next prime (16325561743).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272092666 + ... + 272092725.

It is an arithmetic number, because the mean of its divisors is an integer number (2448834264).

Almost surely, 2^16325561730 is an apocalyptic number.

16325561730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16325561730 is an abundant number, since it is smaller than the sum of its proper divisors (22855786494).

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

16325561730 is a wasteful number, since it uses less digits than its factorization.

16325561730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544185401.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 16325561730 in words is "sixteen billion, three hundred twenty-five million, five hundred sixty-one thousand, seven hundred thirty".