65148986 has 32 divisors (see below), whose sum is σ = 118143360. Its totient is φ = 26320896.

The previous prime is 65148977. The next prime is 65148997. The reversal of 65148986 is 68984156.

It is a self number, because there is not a number n which added to its sum of digits gives 65148986.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67886 + ... + 68838.

It is an arithmetic number, because the mean of its divisors is an integer number (3691980).

Almost surely, 2^65148986 is an apocalyptic number.

65148986 is a deficient number, since it is larger than the sum of its proper divisors (52994374).

65148986 is a wasteful number, since it uses less digits than its factorization.

65148986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238.

The product of its digits is 414720, while the sum is 47.

The square root of 65148986 is about 8071.4921792690. The cubic root of 65148986 is about 402.3795372697.

The spelling of 65148986 in words is "sixty-five million, one hundred forty-eight thousand, nine hundred eighty-six".