221431464152632 has 16 divisors (see below), whose sum is σ = 415267752470760. Its totient is φ = 110693396827104.

The previous prime is 221431464152599. The next prime is 221431464152659. The reversal of 221431464152632 is 236251464134122.

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, 2791864018 + ... + 2791943329.

Almost surely, 2^{221431464152632} is an apocalyptic number.

It is an amenable number.

221431464152632 is a deficient number, since it is larger than the sum of its proper divisors (193836288318128).

221431464152632 is a wasteful number, since it uses less digits than its factorization.

221431464152632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583812310 (or 5583812306 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 221431464152632 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, four hundred sixty-four million, one hundred fifty-two thousand, six hundred thirty-two".