106637566421020 has 48 divisors (see below), whose sum is σ = 229497685734240. Its totient is φ = 41599246461696.

The previous prime is 106637566420967. The next prime is 106637566421033. The reversal of 106637566421020 is 20124665736601.

It is a super-2 number, since 2×106637566421020² (a number of 29 digits) contains 22 as substring.

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, 94382655 + ... + 95505814.

It is an arithmetic number, because the mean of its divisors is an integer number (4781201786130).

Almost surely, 2^{106637566421020} is an apocalyptic number.

106637566421020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106637566421020 is an abundant number, since it is smaller than the sum of its proper divisors (122860119313220).

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

106637566421020 is a wasteful number, since it uses less digits than its factorization.

106637566421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189889174 (or 189889172 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 106637566421020 in words is "one hundred six trillion, six hundred thirty-seven billion, five hundred sixty-six million, four hundred twenty-one thousand, twenty".