166051245 has 24 divisors (see below), whose sum is σ = 275180256. Its totient is φ = 85500352.

The previous prime is 166051243. The next prime is 166051247. The reversal of 166051245 is 542150661.

It is an interprime number because it is at equal distance from previous prime (166051243) and next prime (166051247).

It is not a de Polignac number, because 166051245 - 2¹ = 166051243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166051243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6034 + ... + 19196.

It is an arithmetic number, because the mean of its divisors is an integer number (11465844).

Almost surely, 2^166051245 is an apocalyptic number.

166051245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166051245 is a deficient number, since it is larger than the sum of its proper divisors (109129011).

166051245 is a wasteful number, since it uses less digits than its factorization.

166051245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 166051245 is about 12886.0872649536. The cubic root of 166051245 is about 549.6430135213.

The spelling of 166051245 in words is "one hundred sixty-six million, fifty-one thousand, two hundred forty-five".