546781860155 has 16 divisors (see below), whose sum is σ = 661459780800. Its totient is φ = 433890218880.

The previous prime is 546781860143. The next prime is 546781860221. The reversal of 546781860155 is 551068187645.

It is not a de Polignac number, because 546781860155 - 2⁴ = 546781860139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546781860155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424535 + ... + 1128624.

It is an arithmetic number, because the mean of its divisors is an integer number (41341236300).

Almost surely, 2^546781860155 is an apocalyptic number.

546781860155 is a deficient number, since it is larger than the sum of its proper divisors (114677920645).

546781860155 is a wasteful number, since it uses less digits than its factorization.

546781860155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553734.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 546781860155 in words is "five hundred forty-six billion, seven hundred eighty-one million, eight hundred sixty thousand, one hundred fifty-five".