166000430655652 has 24 divisors (see below), whose sum is σ = 290935752602040. Its totient is φ = 82875946675200.

The previous prime is 166000430655643. The next prime is 166000430655671. The reversal of 166000430655652 is 256556034000661.

It can be written as a sum of positive squares in 4 ways, for example, as 88094105135716 + 77906325519936 = 9385846^2 + 8826456^2 .

It is a super-2 number, since 2×166000430655652² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166000430655596 and 166000430655605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37664374 + ... + 41840242.

It is an arithmetic number, because the mean of its divisors is an integer number (12122323025085).

Almost surely, 2^{166000430655652} is an apocalyptic number.

It is an amenable number.

166000430655652 is a deficient number, since it is larger than the sum of its proper divisors (124935321946388).

166000430655652 is a wasteful number, since it uses less digits than its factorization.

166000430655652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190751 (or 4190749 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 166000430655652 in words is "one hundred sixty-six trillion, four hundred thirty million, six hundred fifty-five thousand, six hundred fifty-two".