166652056 has 16 divisors (see below), whose sum is σ = 314544240. Its totient is φ = 82773600.

The previous prime is 166652053. The next prime is 166652069. The reversal of 166652056 is 650256661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166652051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67771 + ... + 70186.

It is an arithmetic number, because the mean of its divisors is an integer number (19659015).

Almost surely, 2^166652056 is an apocalyptic number.

It is an amenable number.

166652056 is a deficient number, since it is larger than the sum of its proper divisors (147892184).

166652056 is a wasteful number, since it uses less digits than its factorization.

166652056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138114 (or 138110 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 166652056 is about 12909.3786062692. The cubic root of 166652056 is about 550.3051265597.

It can be divided in two parts, 16665 and 2056, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 166652056 in words is "one hundred sixty-six million, six hundred fifty-two thousand, fifty-six".