1632433957861 has 32 divisors (see below), whose sum is σ = 2057812162560. Its totient is φ = 1262747750400.

The previous prime is 1632433957849. The next prime is 1632433957939. The reversal of 1632433957861 is 1687593342361.

It is not a de Polignac number, because 1632433957861 - 2⁷ = 1632433957733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1632433957796 and 1632433957805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632433957061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1627780 + ... + 2431981.

It is an arithmetic number, because the mean of its divisors is an integer number (64306630080).

Almost surely, 2^{1632433957861} is an apocalyptic number.

It is an amenable number.

1632433957861 is a deficient number, since it is larger than the sum of its proper divisors (425378204699).

1632433957861 is a wasteful number, since it uses less digits than its factorization.

1632433957861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059925.

The product of its digits is 19595520, while the sum is 58.

The spelling of 1632433957861 in words is "one trillion, six hundred thirty-two billion, four hundred thirty-three million, nine hundred fifty-seven thousand, eight hundred sixty-one".