60981665 has 8 divisors (see below), whose sum is σ = 73889088. Its totient is φ = 48311280.

The previous prime is 60981647. The next prime is 60981673. The reversal of 60981665 is 56618906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60981665 - 2¹⁰ = 60980641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58691 + ... + 59720.

It is an arithmetic number, because the mean of its divisors is an integer number (9236136).

Almost surely, 2^60981665 is an apocalyptic number.

It is an amenable number.

60981665 is a deficient number, since it is larger than the sum of its proper divisors (12907423).

60981665 is a wasteful number, since it uses less digits than its factorization.

60981665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118519.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 60981665 is about 7809.0758095949. The cubic root of 60981665 is about 393.6102740980.

The spelling of 60981665 in words is "sixty million, nine hundred eighty-one thousand, six hundred sixty-five".