65151930 has 32 divisors (see below), whose sum is σ = 159019200. Its totient is φ = 17078912.

The previous prime is 65151907. The next prime is 65151937. The reversal of 65151930 is 3915156.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (65151937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16635 + ... + 20174.

It is an arithmetic number, because the mean of its divisors is an integer number (4969350).

Almost surely, 2^65151930 is an apocalyptic number.

65151930 is an abundant number, since it is smaller than the sum of its proper divisors (93867270).

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

65151930 is a wasteful number, since it uses less digits than its factorization.

65151930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36878.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 65151930 is about 8071.6745474530. The cubic root of 65151930 is about 402.3855981853.

The spelling of 65151930 in words is "sixty-five million, one hundred fifty-one thousand, nine hundred thirty".