61611666442414 has 32 divisors (see below), whose sum is σ = 102291672184416. Its totient is φ = 27596939397120.

The previous prime is 61611666442367. The next prime is 61611666442429. The reversal of 61611666442414 is 41424466611616.

It is a super-2 number, since 2×61611666442414² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378627 + ... + 18966430.

It is an arithmetic number, because the mean of its divisors is an integer number (3196614755763).

Almost surely, 2^{61611666442414} is an apocalyptic number.

61611666442414 is a deficient number, since it is larger than the sum of its proper divisors (40680005742002).

61611666442414 is a wasteful number, since it uses less digits than its factorization.

61611666442414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34346260.

The product of its digits is 3981312, while the sum is 52.

The spelling of 61611666442414 in words is "sixty-one trillion, six hundred eleven billion, six hundred sixty-six million, four hundred forty-two thousand, four hundred fourteen".