166147696 has 40 divisors (see below), whose sum is σ = 378194544. Its totient is φ = 69711360.

The previous prime is 166147691. The next prime is 166147697. The reversal of 166147696 is 696741661.

It is a super-2 number, since 2×166147696² = 55210113772216832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166147691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34021 + ... + 38596.

Almost surely, 2^166147696 is an apocalyptic number.

166147696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166147696 is an abundant number, since it is smaller than the sum of its proper divisors (212046848).

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

166147696 is a wasteful number, since it uses less digits than its factorization.

166147696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72649 (or 72643 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 166147696 is about 12889.8291687671. The cubic root of 166147696 is about 549.7494131195.

It can be divided in two parts, 16614 and 7696, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 166147696 in words is "one hundred sixty-six million, one hundred forty-seven thousand, six hundred ninety-six".