542166147 has 24 divisors (see below), whose sum is σ = 794976000. Its totient is φ = 356015088.

The previous prime is 542166139. The next prime is 542166167. The reversal of 542166147 is 741661245.

542166147 is a `hidden beast` number, since 542 + 16 + 61 + 47 = 666.

It is not a de Polignac number, because 542166147 - 2³ = 542166139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542166167) 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, 183004 + ... + 185942.

It is an arithmetic number, because the mean of its divisors is an integer number (33124000).

Almost surely, 2^542166147 is an apocalyptic number.

542166147 is a deficient number, since it is larger than the sum of its proper divisors (252809853).

542166147 is a wasteful number, since it uses less digits than its factorization.

542166147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3244 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 542166147 is about 23284.4614925920. The cubic root of 542166147 is about 815.4126892323.

The spelling of 542166147 in words is "five hundred forty-two million, one hundred sixty-six thousand, one hundred forty-seven".