16101655650 has 72 divisors (see below), whose sum is σ = 43705877124. Its totient is φ = 4249497600.

The previous prime is 16101655639. The next prime is 16101655667. The reversal of 16101655650 is 5655610161.

It can be written as a sum of positive squares in 6 ways, for example, as 7932930489 + 8168725161 = 89067^2 + 90381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 140791 + ... + 228090.

Almost surely, 2^16101655650 is an apocalyptic number.

16101655650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16101655650 is an abundant number, since it is smaller than the sum of its proper divisors (27604221474).

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

16101655650 is a wasteful number, since it uses less digits than its factorization.

16101655650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368996 (or 368988 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 16101655650 in words is "sixteen billion, one hundred one million, six hundred fifty-five thousand, six hundred fifty".