61990669246 has 8 divisors (see below), whose sum is σ = 101439276984. Its totient is φ = 28177576920.

The previous prime is 61990669211. The next prime is 61990669259. The reversal of 61990669246 is 64296609916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408878825 + ... + 1408878868.

It is an arithmetic number, because the mean of its divisors is an integer number (12679909623).

Almost surely, 2^61990669246 is an apocalyptic number.

61990669246 is a deficient number, since it is larger than the sum of its proper divisors (39448607738).

61990669246 is a wasteful number, since it uses less digits than its factorization.

61990669246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817757706.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 61990669246 in words is "sixty-one billion, nine hundred ninety million, six hundred sixty-nine thousand, two hundred forty-six".