10191012650 has 216 divisors, whose sum is σ = 24182229024. Its totient is φ = 3184272000.

The previous prime is 10191012613. The next prime is 10191012673. The reversal of 10191012650 is 5621019101.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 62521469 + ... + 62521631.

It is an arithmetic number, because the mean of its divisors is an integer number (111954764).

Almost surely, 2^10191012650 is an apocalyptic number.

10191012650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10191012650 is an abundant number, since it is smaller than the sum of its proper divisors (13991216374).

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

10191012650 is a wasteful number, since it uses less digits than its factorization.

10191012650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 10191012650 in words is "ten billion, one hundred ninety-one million, twelve thousand, six hundred fifty".