65554346168 has 32 divisors (see below), whose sum is σ = 129273356160. Its totient is φ = 31121351040.

The previous prime is 65554346129. The next prime is 65554346171. The reversal of 65554346168 is 86164345556.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent 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, 2480555 + ... + 2506842.

It is an arithmetic number, because the mean of its divisors is an integer number (4039792380).

Almost surely, 2^65554346168 is an apocalyptic number.

It is an amenable number.

65554346168 is a deficient number, since it is larger than the sum of its proper divisors (63719009992).

65554346168 is a wasteful number, since it uses less digits than its factorization.

65554346168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987487 (or 4987483 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 65554346168 in words is "sixty-five billion, five hundred fifty-four million, three hundred forty-six thousand, one hundred sixty-eight".