61916061010 has 32 divisors (see below), whose sum is σ = 111820528512. Its totient is φ = 24683984640.

The previous prime is 61916060993. The next prime is 61916061041. The reversal of 61916061010 is 1016061916.

It is a happy number.

It is a super-2 number, since 2×61916061010² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3733557 + ... + 3750103.

It is an arithmetic number, because the mean of its divisors is an integer number (3494391516).

Almost surely, 2^61916061010 is an apocalyptic number.

61916061010 is a deficient number, since it is larger than the sum of its proper divisors (49904467502).

61916061010 is a wasteful number, since it uses less digits than its factorization.

61916061010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 61916061010 in words is "sixty-one billion, nine hundred sixteen million, sixty-one thousand, ten".