65516767474 has 8 divisors (see below), whose sum is σ = 99940831920. Its totient is φ = 32203156836.

The previous prime is 65516767469. The next prime is 65516767523. The reversal of 65516767474 is 47476761556.

It is a happy number.

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, 277613304 + ... + 277613539.

It is an arithmetic number, because the mean of its divisors is an integer number (12492603990).

Almost surely, 2^65516767474 is an apocalyptic number.

65516767474 is a deficient number, since it is larger than the sum of its proper divisors (34424064446).

65516767474 is a wasteful number, since it uses less digits than its factorization.

65516767474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555226904.

The product of its digits is 29635200, while the sum is 58.

The spelling of 65516767474 in words is "sixty-five billion, five hundred sixteen million, seven hundred sixty-seven thousand, four hundred seventy-four".