65667151652 has 6 divisors (see below), whose sum is σ = 114917515398. Its totient is φ = 32833575824.

The previous prime is 65667151651. The next prime is 65667151687. The reversal of 65667151652 is 25615176656.

It can be written as a sum of positive squares in only one way, i.e., 58939215076 + 6727936576 = 242774^2 + 82024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65667151652.

It is not an unprimeable number, because it can be changed into a prime (65667151651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208393953 + ... + 8208393960.

It is an arithmetic number, because the mean of its divisors is an integer number (19152919233).

Almost surely, 2^65667151652 is an apocalyptic number.

It is an amenable number.

65667151652 is a deficient number, since it is larger than the sum of its proper divisors (49250363746).

65667151652 is a wasteful number, since it uses less digits than its factorization.

65667151652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416787917 (or 16416787915 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 50.

The spelling of 65667151652 in words is "sixty-five billion, six hundred sixty-seven million, one hundred fifty-one thousand, six hundred fifty-two".