65620739066 has 8 divisors (see below), whose sum is σ = 98705291040. Its totient is φ = 32718975388.

The previous prime is 65620739059. The next prime is 65620739113. The reversal of 65620739066 is 66093702656.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45696176 + ... + 45697611.

It is an arithmetic number, because the mean of its divisors is an integer number (12338161380).

Almost surely, 2^65620739066 is an apocalyptic number.

65620739066 is a deficient number, since it is larger than the sum of its proper divisors (33084551974).

65620739066 is a wasteful number, since it uses less digits than its factorization.

65620739066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91394148.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 65620739066 in words is "sixty-five billion, six hundred twenty million, seven hundred thirty-nine thousand, sixty-six".