61368662154 has 16 divisors (see below), whose sum is σ = 122809163040. Its totient is φ = 20444247600.

The previous prime is 61368662149. The next prime is 61368662183. The reversal of 61368662154 is 45126686316.

It is a super-2 number, since 2×61368662154² (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 7 ways as a sum of consecutive naturals, for example, 2982172 + ... + 3002679.

It is an arithmetic number, because the mean of its divisors is an integer number (7675572690).

Almost surely, 2^61368662154 is an apocalyptic number.

61368662154 is an abundant number, since it is smaller than the sum of its proper divisors (61440500886).

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

61368662154 is a wasteful number, since it uses less digits than its factorization.

61368662154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986565.

The product of its digits is 1244160, while the sum is 48.

The spelling of 61368662154 in words is "sixty-one billion, three hundred sixty-eight million, six hundred sixty-two thousand, one hundred fifty-four".