61641517213474 has 8 divisors (see below), whose sum is σ = 100867937258448. Its totient is φ = 28018871460660.

The previous prime is 61641517213363. The next prime is 61641517213501. The reversal of 61641517213474 is 47431271514616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61641517213474² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400943573012 + ... + 1400943573055.

It is an arithmetic number, because the mean of its divisors is an integer number (12608492157306).

Almost surely, 2^{61641517213474} is an apocalyptic number.

61641517213474 is a deficient number, since it is larger than the sum of its proper divisors (39226420044974).

61641517213474 is a wasteful number, since it uses less digits than its factorization.

61641517213474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801887146080.

The product of its digits is 3386880, while the sum is 52.

The spelling of 61641517213474 in words is "sixty-one trillion, six hundred forty-one billion, five hundred seventeen million, two hundred thirteen thousand, four hundred seventy-four".