60661703519 has 4 divisors (see below), whose sum is σ = 60966536400. Its totient is φ = 60356870640.

The previous prime is 60661703507. The next prime is 60661703527. The reversal of 60661703519 is 91530716606.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60661703519 - 2²⁸ = 60393268063 is a prime.

It is a super-2 number, since 2×60661703519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60661703519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60661703719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152416142 + ... + 152416539.

It is an arithmetic number, because the mean of its divisors is an integer number (15241634100).

Almost surely, 2^60661703519 is an apocalyptic number.

60661703519 is a deficient number, since it is larger than the sum of its proper divisors (304832881).

60661703519 is a wasteful number, since it uses less digits than its factorization.

60661703519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304832880.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 60661703519 in words is "sixty billion, six hundred sixty-one million, seven hundred three thousand, five hundred nineteen".