65361266642 has 16 divisors (see below), whose sum is σ = 112051829760. Its totient is φ = 28010985408.

The previous prime is 65361266629. The next prime is 65361266687. The reversal of 65361266642 is 24666216356.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447503 + ... + 575309.

It is an arithmetic number, because the mean of its divisors is an integer number (7003239360).

Almost surely, 2^65361266642 is an apocalyptic number.

65361266642 is a deficient number, since it is larger than the sum of its proper divisors (46690563118).

65361266642 is a wasteful number, since it uses less digits than its factorization.

65361266642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164345.

The product of its digits is 1866240, while the sum is 47.

The spelling of 65361266642 in words is "sixty-five billion, three hundred sixty-one million, two hundred sixty-six thousand, six hundred forty-two".