65899148 has 24 divisors (see below), whose sum is σ = 132008352. Its totient is φ = 28197504.

The previous prime is 65899139. The next prime is 65899151. The reversal of 65899148 is 84199856.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65899096 and 65899105.

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, 20840 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (5500348).

Almost surely, 2^65899148 is an apocalyptic number.

It is an amenable number.

65899148 is an abundant number, since it is smaller than the sum of its proper divisors (66109204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65899148 is a wasteful number, since it uses less digits than its factorization.

65899148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 65899148 is about 8117.8290201260. The cubic root of 65899148 is about 403.9180551376.

The spelling of 65899148 in words is "sixty-five million, eight hundred ninety-nine thousand, one hundred forty-eight".