1420431161564 has 6 divisors (see below), whose sum is σ = 2485754532744. Its totient is φ = 710215580780.

The previous prime is 1420431161533. The next prime is 1420431161603. The reversal of 1420431161564 is 4651611340241.

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, 177553895192 + ... + 177553895199.

It is an arithmetic number, because the mean of its divisors is an integer number (414292422124).

Almost surely, 2^{1420431161564} is an apocalyptic number.

It is an amenable number.

1420431161564 is a deficient number, since it is larger than the sum of its proper divisors (1065323371180).

1420431161564 is a wasteful number, since it uses less digits than its factorization.

1420431161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355107790395 (or 355107790393 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1420431161564 in words is "one trillion, four hundred twenty billion, four hundred thirty-one million, one hundred sixty-one thousand, five hundred sixty-four".