65151642 has 8 divisors (see below), whose sum is σ = 130303296. Its totient is φ = 21717212.

The previous prime is 65151631. The next prime is 65151683. The reversal of 65151642 is 24615156.

It is a sphenic number, since it is the product of 3 distinct primes.

65151642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429298 + ... + 5429309.

It is an arithmetic number, because the mean of its divisors is an integer number (16287912).

Almost surely, 2^65151642 is an apocalyptic number.

65151642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65151642 is a wasteful number, since it uses less digits than its factorization.

65151642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10858612.

The product of its digits is 7200, while the sum is 30.

The square root of 65151642 is about 8071.6567072690. The cubic root of 65151642 is about 402.3850052777.

Adding to 65151642 its reverse (24615156), we get a palindrome (89766798).

The spelling of 65151642 in words is "sixty-five million, one hundred fifty-one thousand, six hundred forty-two".