65500190 has 16 divisors (see below), whose sum is σ = 134743392. Its totient is φ = 22457184.

The previous prime is 65500189. The next prime is 65500219. The reversal of 65500190 is 9100556.

It is a super-2 number, since 2×65500190² = 8580549780072200, which contains 22 as substring.

It is a Curzon number.

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, 467789 + ... + 467928.

It is an arithmetic number, because the mean of its divisors is an integer number (8421462).

Almost surely, 2^65500190 is an apocalyptic number.

65500190 is an abundant number, since it is smaller than the sum of its proper divisors (69243202).

65500190 is a wasteful number, since it uses less digits than its factorization.

65500190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935731.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 65500190 is about 8093.2187663500. The cubic root of 65500190 is about 403.1012887121.

The spelling of 65500190 in words is "sixty-five million, five hundred thousand, one hundred ninety".