61766746711612 has 6 divisors (see below), whose sum is σ = 108091806745328. Its totient is φ = 30883373355804.

The previous prime is 61766746711601. The next prime is 61766746711613. The reversal of 61766746711612 is 21611764766716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61766746711613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7720843338948 + ... + 7720843338955.

Almost surely, 2^{61766746711612} is an apocalyptic number.

It is an amenable number.

61766746711612 is a deficient number, since it is larger than the sum of its proper divisors (46325060033716).

61766746711612 is a wasteful number, since it uses less digits than its factorization.

61766746711612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441686677907 (or 15441686677905 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The spelling of 61766746711612 in words is "sixty-one trillion, seven hundred sixty-six billion, seven hundred forty-six million, seven hundred eleven thousand, six hundred twelve".