166136464 has 30 divisors (see below), whose sum is σ = 348560466. Its totient is φ = 76677120.

The previous prime is 166136449. The next prime is 166136479. The reversal of 166136464 is 464631661.

It is an interprime number because it is at equal distance from previous prime (166136449) and next prime (166136479).

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 165894400 = 492^2 + 12880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28017 + ... + 33424.

Almost surely, 2^166136464 is an apocalyptic number.

It is an amenable number.

166136464 is an abundant number, since it is smaller than the sum of its proper divisors (182424002).

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

166136464 is a wasteful number, since it uses less digits than its factorization.

166136464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61475 (or 61456 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 166136464 is about 12889.3934690504. The cubic root of 166136464 is about 549.7370246951.

The spelling of 166136464 in words is "one hundred sixty-six million, one hundred thirty-six thousand, four hundred sixty-four".