61654933468 has 6 divisors (see below), whose sum is σ = 107896133576. Its totient is φ = 30827466732.

The previous prime is 61654933421. The next prime is 61654933469. The reversal of 61654933468 is 86433945616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61654933469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706866680 + ... + 7706866687.

Almost surely, 2^61654933468 is an apocalyptic number.

It is an amenable number.

61654933468 is a deficient number, since it is larger than the sum of its proper divisors (46241200108).

61654933468 is a wasteful number, since it uses less digits than its factorization.

61654933468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15413733371 (or 15413733369 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The spelling of 61654933468 in words is "sixty-one billion, six hundred fifty-four million, nine hundred thirty-three thousand, four hundred sixty-eight".