61376961946842 has 32 divisors (see below), whose sum is σ = 136421670528000. Its totient is φ = 20454724052064.

The previous prime is 61376961946841. The next prime is 61376961946877. The reversal of 61376961946842 is 24864916967316.

61376961946842 is a `hidden beast` number, since 6 + 1 + 3 + 7 + 69 + 61 + 9 + 468 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (61376961946841) 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, 118162443 + ... + 118680734.

It is an arithmetic number, because the mean of its divisors is an integer number (4263177204000).

Almost surely, 2^{61376961946842} is an apocalyptic number.

61376961946842 is an abundant number, since it is smaller than the sum of its proper divisors (75044708581158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61376961946842 is a wasteful number, since it uses less digits than its factorization.

61376961946842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236847987 (or 236847981 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 72.

The spelling of 61376961946842 in words is "sixty-one trillion, three hundred seventy-six billion, nine hundred sixty-one million, nine hundred forty-six thousand, eight hundred forty-two".