101649950620 has 48 divisors (see below), whose sum is σ = 231278005728. Its totient is φ = 37378252800.

The previous prime is 101649950573. The next prime is 101649950669. The reversal of 101649950620 is 26059946101.

It is a super-2 number, since 2×101649950620² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461781 + ... + 3491020.

It is an arithmetic number, because the mean of its divisors is an integer number (4818291786).

Almost surely, 2^101649950620 is an apocalyptic number.

101649950620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101649950620 is an abundant number, since it is smaller than the sum of its proper divisors (129628055108).

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

101649950620 is a wasteful number, since it uses less digits than its factorization.

101649950620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952870 (or 6952868 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 101649950620 in words is "one hundred one billion, six hundred forty-nine million, nine hundred fifty thousand, six hundred twenty".