61164838376 has 8 divisors (see below), whose sum is σ = 114684071970. Its totient is φ = 30582419184.

The previous prime is 61164838337. The next prime is 61164838381. The reversal of 61164838376 is 67383846116.

It can be written as a sum of positive squares in only one way, i.e., 46170835876 + 14994002500 = 214874^2 + 122450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61164838376² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3822802391 + ... + 3822802406.

Almost surely, 2^61164838376 is an apocalyptic number.

It is an amenable number.

61164838376 is a deficient number, since it is larger than the sum of its proper divisors (53519233594).

61164838376 is a wasteful number, since it uses less digits than its factorization.

61164838376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645604803 (or 7645604799 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 61164838376 in words is "sixty-one billion, one hundred sixty-four million, eight hundred thirty-eight thousand, three hundred seventy-six".