64162051 has 4 divisors (see below), whose sum is σ = 64667392. Its totient is φ = 63656712.

The previous prime is 64162039. The next prime is 64162073. The reversal of 64162051 is 15026146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15026146 = 2 ⋅7513073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64162051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64162001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252480 + ... + 252733.

It is an arithmetic number, because the mean of its divisors is an integer number (16166848).

Almost surely, 2^64162051 is an apocalyptic number.

64162051 is a deficient number, since it is larger than the sum of its proper divisors (505341).

64162051 is a wasteful number, since it uses less digits than its factorization.

64162051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505340.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 64162051 is about 8010.1217843426. The cubic root of 64162051 is about 400.3373217052.

Adding to 64162051 its reverse (15026146), we get a palindrome (79188197).

The spelling of 64162051 in words is "sixty-four million, one hundred sixty-two thousand, fifty-one".