542364306666 has 32 divisors (see below), whose sum is σ = 1335050602368. Its totient is φ = 143041135680.

The previous prime is 542364306641. The next prime is 542364306691. The reversal of 542364306666 is 666603463245.

It is an interprime number because it is at equal distance from previous prime (542364306641) and next prime (542364306691).

It is a super-2 number, since 2×542364306666² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496670065 + ... + 496671156.

It is an arithmetic number, because the mean of its divisors is an integer number (41720331324).

Almost surely, 2^542364306666 is an apocalyptic number.

542364306666 is an abundant number, since it is smaller than the sum of its proper divisors (792686295702).

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

542364306666 is a wasteful number, since it uses less digits than its factorization.

542364306666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993341246.

The product of its (nonzero) digits is 11197440, while the sum is 51.

The spelling of 542364306666 in words is "five hundred forty-two billion, three hundred sixty-four million, three hundred six thousand, six hundred sixty-six".