101156660650 has 12 divisors (see below), whose sum is σ = 188151388902. Its totient is φ = 40462664240.

The previous prime is 101156660641. The next prime is 101156660807. The reversal of 101156660650 is 56066651101.

It can be written as a sum of positive squares in 3 ways, for example, as 88496135289 + 12660525361 = 297483^2 + 112519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011566557 + ... + 1011566656.

Almost surely, 2^101156660650 is an apocalyptic number.

101156660650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101156660650 is a deficient number, since it is larger than the sum of its proper divisors (86994728252).

101156660650 is a wasteful number, since it uses less digits than its factorization.

101156660650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023133225 (or 2023133220 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 101156660650 in words is "one hundred one billion, one hundred fifty-six million, six hundred sixty thousand, six hundred fifty".