61297496672 has 12 divisors (see below), whose sum is σ = 120679446636. Its totient is φ = 30648748320.

The previous prime is 61297496669. The next prime is 61297496677. The reversal of 61297496672 is 27669479216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61297496677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957773354 + ... + 957773417.

It is an arithmetic number, because the mean of its divisors is an integer number (10056620553).

Almost surely, 2^61297496672 is an apocalyptic number.

It is an amenable number.

61297496672 is a deficient number, since it is larger than the sum of its proper divisors (59381949964).

61297496672 is a wasteful number, since it uses less digits than its factorization.

61297496672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915546781 (or 1915546773 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 59.

The spelling of 61297496672 in words is "sixty-one billion, two hundred ninety-seven million, four hundred ninety-six thousand, six hundred seventy-two".