65654650 has 48 divisors (see below), whose sum is σ = 130955904. Its totient is φ = 24425280.

The previous prime is 65654639. The next prime is 65654657. The reversal of 65654650 is 5645656.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (65654657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41779 + ... + 43321.

It is an arithmetic number, because the mean of its divisors is an integer number (2728248).

Almost surely, 2^65654650 is an apocalyptic number.

65654650 is a deficient number, since it is larger than the sum of its proper divisors (65301254).

65654650 is a wasteful number, since it uses less digits than its factorization.

65654650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 65654650 is about 8102.7557040799. The cubic root of 65654650 is about 403.4178992288.

The spelling of 65654650 in words is "sixty-five million, six hundred fifty-four thousand, six hundred fifty".