61062378933681 has 96 divisors (see below), whose sum is σ = 92673882429440. Its totient is φ = 38695665254400.

The previous prime is 61062378933649. The next prime is 61062378933767. The reversal of 61062378933681 is 18633987326016.

61062378933681 is a `hidden beast` number, since 6 + 10 + 62 + 378 + 93 + 36 + 81 = 666.

It is not a de Polignac number, because 61062378933681 - 2⁵ = 61062378933649 is a prime.

It is a super-2 number, since 2×61062378933681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61062328933681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5256289185 + ... + 5256300801.

Almost surely, 2^{61062378933681} is an apocalyptic number.

It is an amenable number.

61062378933681 is a deficient number, since it is larger than the sum of its proper divisors (31611503495759).

61062378933681 is a wasteful number, since it uses less digits than its factorization.

61062378933681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12767 (or 12764 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 61062378933681 in words is "sixty-one trillion, sixty-two billion, three hundred seventy-eight million, nine hundred thirty-three thousand, six hundred eighty-one".