61862596916 has 12 divisors (see below), whose sum is σ = 108601059588. Its totient is φ = 30833722752.

The previous prime is 61862596891. The next prime is 61862596979. The reversal of 61862596916 is 61969526816.

It can be written as a sum of positive squares in 2 ways, for example, as 17159952016 + 44702644900 = 130996^2 + 211430^2 .

It is a super-2 number, since 2×61862596916² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24392501 + ... + 24395036.

It is an arithmetic number, because the mean of its divisors is an integer number (9050088299).

Almost surely, 2^61862596916 is an apocalyptic number.

It is an amenable number.

61862596916 is a deficient number, since it is larger than the sum of its proper divisors (46738462672).

61862596916 is a wasteful number, since it uses less digits than its factorization.

61862596916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48787858 (or 48787856 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 59.

The spelling of 61862596916 in words is "sixty-one billion, eight hundred sixty-two million, five hundred ninety-six thousand, nine hundred sixteen".