61614643414653 has 48 divisors (see below), whose sum is σ = 101833155889920. Its totient is φ = 35166812712192.

The previous prime is 61614643414637. The next prime is 61614643414657. The reversal of 61614643414653 is 35641434641616.

61614643414653 is a `hidden beast` number, since 6 + 1 + 6 + 1 + 464 + 34 + 146 + 5 + 3 = 666.

It is not a de Polignac number, because 61614643414653 - 2⁴ = 61614643414637 is a prime.

It is a super-2 number, since 2×61614643414653² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61614643414653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61614643414657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284710993 + ... + 284927321.

It is an arithmetic number, because the mean of its divisors is an integer number (2121524081040).

Almost surely, 2^{61614643414653} is an apocalyptic number.

61614643414653 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61614643414653 is a deficient number, since it is larger than the sum of its proper divisors (40218512475267).

61614643414653 is a wasteful number, since it uses less digits than its factorization.

61614643414653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221658 (or 221655 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 61614643414653 in words is "sixty-one trillion, six hundred fourteen billion, six hundred forty-three million, four hundred fourteen thousand, six hundred fifty-three".