60921465591 has 24 divisors (see below), whose sum is σ = 98614687360. Its totient is φ = 32764482432.

The previous prime is 60921465569. The next prime is 60921465593. The reversal of 60921465591 is 19556412906.

It is not a de Polignac number, because 60921465591 - 2⁷ = 60921465463 is a prime.

It is a super-2 number, since 2×60921465591² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60921465591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60921465593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5013001 + ... + 5025138.

Almost surely, 2^60921465591 is an apocalyptic number.

60921465591 is a deficient number, since it is larger than the sum of its proper divisors (37693221769).

60921465591 is a wasteful number, since it uses less digits than its factorization.

60921465591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038183 (or 10038166 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 60921465591 in words is "sixty billion, nine hundred twenty-one million, four hundred sixty-five thousand, five hundred ninety-one".