16140525730 has 48 divisors (see below), whose sum is σ = 35271441216. Its totient is φ = 5208364800.

The previous prime is 16140525703. The next prime is 16140525769. The reversal of 16140525730 is 3752504161.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378696 + ... + 419155.

It is an arithmetic number, because the mean of its divisors is an integer number (734821692).

Almost surely, 2^16140525730 is an apocalyptic number.

16140525730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16140525730 is an abundant number, since it is smaller than the sum of its proper divisors (19130915486).

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

16140525730 is a wasteful number, since it uses less digits than its factorization.

16140525730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797899 (or 797882 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 16140525730 in words is "sixteen billion, one hundred forty million, five hundred twenty-five thousand, seven hundred thirty".