542420166 has 16 divisors (see below), whose sum is σ = 1085082624. Its totient is φ = 180766344.

The previous prime is 542420161. The next prime is 542420171. The reversal of 542420166 is 661024245.

It is an interprime number because it is at equal distance from previous prime (542420161) and next prime (542420171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542420161) 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, 33475 + ... + 46961.

It is an arithmetic number, because the mean of its divisors is an integer number (67817664).

Almost surely, 2^542420166 is an apocalyptic number.

542420166 is an abundant number, since it is smaller than the sum of its proper divisors (542662458).

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

542420166 is a wasteful number, since it uses less digits than its factorization.

542420166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 542420166 is about 23289.9155429984. The cubic root of 542420166 is about 815.5400167294.

The spelling of 542420166 in words is "five hundred forty-two million, four hundred twenty thousand, one hundred sixty-six".