61496433792 has 224 divisors, whose sum is σ = 184139196480. Its totient is φ = 20448142848.

The previous prime is 61496433751. The next prime is 61496433821. The reversal of 61496433792 is 29733469416.

It is a happy number.

61496433792 is a `hidden beast` number, since 61 + 496 + 4 + 3 + 3 + 7 + 92 = 666.

It is a super-2 number, since 2×61496433792² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 69330373 + ... + 69331259.

Almost surely, 2^61496433792 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 61496433792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92069598240).

61496433792 is an abundant number, since it is smaller than the sum of its proper divisors (122642762688).

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

61496433792 is an frugal number, since it uses more digits than its factorization.

61496433792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1635 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 61496433792 in words is "sixty-one billion, four hundred ninety-six million, four hundred thirty-three thousand, seven hundred ninety-two".