166151044 has 6 divisors (see below), whose sum is σ = 290764334. Its totient is φ = 83075520.

The previous prime is 166151023. The next prime is 166151087. The reversal of 166151044 is 440151661.

It can be written as a sum of positive squares in only one way, i.e., 127238400 + 38912644 = 11280^2 + 6238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20768877 + ... + 20768884.

Almost surely, 2^166151044 is an apocalyptic number.

It is an amenable number.

166151044 is a deficient number, since it is larger than the sum of its proper divisors (124613290).

166151044 is a wasteful number, since it uses less digits than its factorization.

166151044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41537765 (or 41537763 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 166151044 is about 12889.9590379489. The cubic root of 166151044 is about 549.7531057150.

The spelling of 166151044 in words is "one hundred sixty-six million, one hundred fifty-one thousand, forty-four".