1220162582657 has 8 divisors (see below), whose sum is σ = 1245336883200. Its totient is φ = 1195231512384.

The previous prime is 1220162582647. The next prime is 1220162582659. The reversal of 1220162582657 is 7562852610221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220162582657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220162582659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60797432 + ... + 60817497.

It is an arithmetic number, because the mean of its divisors is an integer number (155667110400).

Almost surely, 2^{1220162582657} is an apocalyptic number.

It is an amenable number.

1220162582657 is a deficient number, since it is larger than the sum of its proper divisors (25174300543).

1220162582657 is a wasteful number, since it uses less digits than its factorization.

1220162582657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121615135.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 1220162582657 in words is "one trillion, two hundred twenty billion, one hundred sixty-two million, five hundred eighty-two thousand, six hundred fifty-seven".