61573055037516 has 96 divisors (see below), whose sum is σ = 174148559961600. Its totient is φ = 18658228772160.

The previous prime is 61573055037491. The next prime is 61573055037521.

61573055037516 is a `hidden beast` number, since 6 + 1 + 5 + 7 + 3 + 0 + 550 + 3 + 75 + 16 = 666.

61573055037516 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61573055037516² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89993526 + ... + 90675138.

It is an arithmetic number, because the mean of its divisors is an integer number (1814047499600).

Almost surely, 2^{61573055037516} is an apocalyptic number.

61573055037516 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61573055037516 is an abundant number, since it is smaller than the sum of its proper divisors (112575504924084).

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

61573055037516 is a wasteful number, since it uses less digits than its factorization.

61573055037516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757676 (or 757668 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 54.

The spelling of 61573055037516 in words is "sixty-one trillion, five hundred seventy-three billion, fifty-five million, thirty-seven thousand, five hundred sixteen".