542766243416061 has 32 divisors (see below), whose sum is σ = 882864502732800. Its totient is φ = 289689914928960.

The previous prime is 542766243416009. The next prime is 542766243416063. The reversal of 542766243416061 is 160614342667245.

It is not a de Polignac number, because 542766243416061 - 2⁷ = 542766243415933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 542766243415992 and 542766243416010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542766243416063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9579664626 + ... + 9579721283.

It is an arithmetic number, because the mean of its divisors is an integer number (27589515710400).

Almost surely, 2^{542766243416061} is an apocalyptic number.

It is an amenable number.

542766243416061 is a deficient number, since it is larger than the sum of its proper divisors (340098259316739).

542766243416061 is a wasteful number, since it uses less digits than its factorization.

542766243416061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19159386009.

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 542766243416061 in words is "five hundred forty-two trillion, seven hundred sixty-six billion, two hundred forty-three million, four hundred sixteen thousand, sixty-one".