16140622250 has 16 divisors (see below), whose sum is σ = 30215245320. Its totient is φ = 6456248800.

The previous prime is 16140622237. The next prime is 16140622261. The reversal of 16140622250 is 5222604161.

It can be written as a sum of positive squares in 4 ways, for example, as 5472004729 + 10668617521 = 73973^2 + 103289^2 .

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, 32280995 + ... + 32281494.

Almost surely, 2^16140622250 is an apocalyptic number.

16140622250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16140622250 is a deficient number, since it is larger than the sum of its proper divisors (14074623070).

16140622250 is an equidigital number, since it uses as much as digits as its factorization.

16140622250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64562506 (or 64562496 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 16140622250 in words is "sixteen billion, one hundred forty million, six hundred twenty-two thousand, two hundred fifty".