61600949722 has 16 divisors (see below), whose sum is σ = 99554123592. Its totient is φ = 28418379840.

The previous prime is 61600949717. The next prime is 61600949827. The reversal of 61600949722 is 22794900616.

It can be written as a sum of positive squares in 4 ways, for example, as 42609629241 + 18991320481 = 206421^2 + 137809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475633 + ... + 591124.

Almost surely, 2^61600949722 is an apocalyptic number.

61600949722 is a deficient number, since it is larger than the sum of its proper divisors (37953173870).

61600949722 is a wasteful number, since it uses less digits than its factorization.

61600949722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068993.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 61600949722 in words is "sixty-one billion, six hundred million, nine hundred forty-nine thousand, seven hundred twenty-two".