542163956 has 6 divisors (see below), whose sum is σ = 948786930. Its totient is φ = 271081976.

The previous prime is 542163931. The next prime is 542163989. The reversal of 542163956 is 659361245.

It can be written as a sum of positive squares in only one way, i.e., 541027600 + 1136356 = 23260^2 + 1066^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67770491 + ... + 67770498.

It is an arithmetic number, because the mean of its divisors is an integer number (158131155).

Almost surely, 2^542163956 is an apocalyptic number.

It is an amenable number.

542163956 is a deficient number, since it is larger than the sum of its proper divisors (406622974).

542163956 is a wasteful number, since it uses less digits than its factorization.

542163956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135540993 (or 135540991 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 542163956 is about 23284.4144440009. The cubic root of 542163956 is about 815.4115908164.

The spelling of 542163956 in words is "five hundred forty-two million, one hundred sixty-three thousand, nine hundred fifty-six".