106665610001650 has 24 divisors (see below), whose sum is σ = 226740610975680. Its totient is φ = 36571066286160.

The previous prime is 106665610001633. The next prime is 106665610001659. The reversal of 106665610001650 is 56100016566601.

It is a super-2 number, since 2×106665610001650² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106665610001597 and 106665610001606.

It is not an unprimeable number, because it can be changed into a prime (106665610001659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152379442510 + ... + 152379443209.

It is an arithmetic number, because the mean of its divisors is an integer number (9447525457320).

Almost surely, 2^{106665610001650} is an apocalyptic number.

106665610001650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106665610001650 is an abundant number, since it is smaller than the sum of its proper divisors (120075000974030).

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

106665610001650 is a wasteful number, since it uses less digits than its factorization.

106665610001650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304758885738 (or 304758885733 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 106665610001650 in words is "one hundred six trillion, six hundred sixty-five billion, six hundred ten million, one thousand, six hundred fifty".