65161651942 has 4 divisors (see below), whose sum is σ = 97742477916. Its totient is φ = 32580825970.

The previous prime is 65161651897. The next prime is 65161651991. The reversal of 65161651942 is 24915616156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 65161651892 and 65161651901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16290412984 + ... + 16290412987.

It is an arithmetic number, because the mean of its divisors is an integer number (24435619479).

Almost surely, 2^65161651942 is an apocalyptic number.

65161651942 is a deficient number, since it is larger than the sum of its proper divisors (32580825974).

65161651942 is a wasteful number, since it uses less digits than its factorization.

65161651942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580825973.

The product of its digits is 388800, while the sum is 46.

The spelling of 65161651942 in words is "sixty-five billion, one hundred sixty-one million, six hundred fifty-one thousand, nine hundred forty-two".