1642288656832 has 28 divisors (see below), whose sum is σ = 3259085791696. Its totient is φ = 821101685760.

The previous prime is 1642288656763. The next prime is 1642288656847. The reversal of 1642288656832 is 2386568822461.

It is a super-2 number, since 2×1642288656832² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594232 + ... + 1907272.

It is an arithmetic number, because the mean of its divisors is an integer number (116395921132).

Almost surely, 2^{1642288656832} is an apocalyptic number.

It is an amenable number.

1642288656832 is a deficient number, since it is larger than the sum of its proper divisors (1616797134864).

1642288656832 is a wasteful number, since it uses less digits than its factorization.

1642288656832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332596 (or 1332586 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 61.

The spelling of 1642288656832 in words is "one trillion, six hundred forty-two billion, two hundred eighty-eight million, six hundred fifty-six thousand, eight hundred thirty-two".