166250505623632 has 10 divisors (see below), whose sum is σ = 322110354645818. Its totient is φ = 83125252811808.

The previous prime is 166250505623593. The next prime is 166250505623663. The reversal of 166250505623632 is 236326505052661.

It can be written as a sum of positive squares in only one way, i.e., 132218169915456 + 34032335708176 = 11498616^2 + 5833724^2 .

It is a super-2 number, since 2×166250505623632² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166250505623632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195328300723 + ... + 5195328300754.

Almost surely, 2^{166250505623632} is an apocalyptic number.

It is an amenable number.

166250505623632 is a deficient number, since it is larger than the sum of its proper divisors (155859849022186).

166250505623632 is a wasteful number, since it uses less digits than its factorization.

166250505623632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390656601485 (or 10390656601479 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 166250505623632 in words is "one hundred sixty-six trillion, two hundred fifty billion, five hundred five million, six hundred twenty-three thousand, six hundred thirty-two".