61699114092 has 192 divisors, whose sum is σ = 181459353600. Its totient is φ = 15850598400.

The previous prime is 61699114079. The next prime is 61699114129. The reversal of 61699114092 is 29041199616.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52688667 + ... + 52689837.

It is an arithmetic number, because the mean of its divisors is an integer number (945100800).

Almost surely, 2^61699114092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61699114092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90729676800).

61699114092 is an abundant number, since it is smaller than the sum of its proper divisors (119760239508).

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

61699114092 is a wasteful number, since it uses less digits than its factorization.

61699114092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 61699114092 in words is "sixty-one billion, six hundred ninety-nine million, one hundred fourteen thousand, ninety-two".