60961923689436 has 144 divisors (see below), whose sum is σ = 202234132988160. Its totient is φ = 15000883464960.

The previous prime is 60961923689413. The next prime is 60961923689477. The reversal of 60961923689436 is 63498632916906.

It is a happy number.

60961923689436 is a `hidden beast` number, since 6 + 0 + 9 + 61 + 92 + 368 + 94 + 36 = 666.

It is a super-2 number, since 2×60961923689436² (a number of 28 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 (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 578685121 + ... + 578790456.

Almost surely, 2^{60961923689436} is an apocalyptic number.

60961923689436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

60961923689436 is an abundant number, since it is smaller than the sum of its proper divisors (141272209298724).

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

60961923689436 is a wasteful number, since it uses less digits than its factorization.

60961923689436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157475624 (or 1157475619 counting only the distinct ones).

The product of its (nonzero) digits is 544195584, while the sum is 72.

The spelling of 60961923689436 in words is "sixty trillion, nine hundred sixty-one billion, nine hundred twenty-three million, six hundred eighty-nine thousand, four hundred thirty-six".