61614643414654 has 32 divisors (see below), whose sum is σ = 101767609180800. Its totient is φ = 27744538902240.

The previous prime is 61614643414637. The next prime is 61614643414657. The reversal of 61614643414654 is 45641434641616.

It is a super-2 number, since 2×61614643414654² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61614643414595 and 61614643414604.

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 15 ways as a sum of consecutive naturals, for example, 251706232 + ... + 251950900.

It is an arithmetic number, because the mean of its divisors is an integer number (3180237786900).

Almost surely, 2^{61614643414654} is an apocalyptic number.

61614643414654 is a deficient number, since it is larger than the sum of its proper divisors (40152965766146).

61614643414654 is a wasteful number, since it uses less digits than its factorization.

61614643414654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351768.

The product of its digits is 19906560, while the sum is 55.

The spelling of 61614643414654 in words is "sixty-one trillion, six hundred fourteen billion, six hundred forty-three million, four hundred fourteen thousand, six hundred fifty-four".