464133551646 has 32 divisors (see below), whose sum is σ = 934209110016. Its totient is φ = 153722340000.

The previous prime is 464133551593. The next prime is 464133551647. The reversal of 464133551646 is 646155331464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 464133551595 and 464133551604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464133551647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064331 + ... + 1435641.

It is an arithmetic number, because the mean of its divisors is an integer number (29194034688).

Almost surely, 2^464133551646 is an apocalyptic number.

464133551646 is an abundant number, since it is smaller than the sum of its proper divisors (470075558370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464133551646 is a wasteful number, since it uses less digits than its factorization.

464133551646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372648.

The product of its digits is 3110400, while the sum is 48.

The spelling of 464133551646 in words is "four hundred sixty-four billion, one hundred thirty-three million, five hundred fifty-one thousand, six hundred forty-six".