61534601155164 has 24 divisors (see below), whose sum is σ = 152026661677968. Its totient is φ = 19304972911360.

The previous prime is 61534601155117. The next prime is 61534601155187. The reversal of 61534601155164 is 46155110643516.

61534601155164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61534601155164³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 150820100667 + ... + 150820101074.

It is an arithmetic number, because the mean of its divisors is an integer number (6334444236582).

Almost surely, 2^{61534601155164} is an apocalyptic number.

It is an amenable number.

61534601155164 is an abundant number, since it is smaller than the sum of its proper divisors (90492060522804).

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

61534601155164 is a wasteful number, since it uses less digits than its factorization.

61534601155164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301640201765 (or 301640201763 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 61534601155164 in words is "sixty-one trillion, five hundred thirty-four billion, six hundred one million, one hundred fifty-five thousand, one hundred sixty-four".