65167219942 has 8 divisors (see below), whose sum is σ = 106637269032. Its totient is φ = 29621463600.

The previous prime is 65167219921. The next prime is 65167219951. The reversal of 65167219942 is 24991276156.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65167219942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481073159 + ... + 1481073202.

It is an arithmetic number, because the mean of its divisors is an integer number (13329658629).

Almost surely, 2^65167219942 is an apocalyptic number.

65167219942 is a deficient number, since it is larger than the sum of its proper divisors (41470049090).

65167219942 is a wasteful number, since it uses less digits than its factorization.

65167219942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962146374.

The product of its digits is 1632960, while the sum is 52.

The spelling of 65167219942 in words is "sixty-five billion, one hundred sixty-seven million, two hundred nineteen thousand, nine hundred forty-two".