65190146 has 16 divisors (see below), whose sum is σ = 111923520. Its totient is φ = 27896400.

The previous prime is 65190143. The next prime is 65190149. The reversal of 65190146 is 64109156.

It is an interprime number because it is at equal distance from previous prime (65190143) and next prime (65190149).

It is not an unprimeable number, because it can be changed into a prime (65190143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (6995220).

Almost surely, 2^65190146 is an apocalyptic number.

65190146 is a deficient number, since it is larger than the sum of its proper divisors (46733374).

65190146 is a wasteful number, since it uses less digits than its factorization.

65190146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 65190146 is about 8074.0414910997. The cubic root of 65190146 is about 402.4642582359.

The spelling of 65190146 in words is "sixty-five million, one hundred ninety thousand, one hundred forty-six".