465661121406 has 64 divisors (see below), whose sum is σ = 1060754177280. Its totient is φ = 135095869440.

The previous prime is 465661121377. The next prime is 465661121413. The reversal of 465661121406 is 604121166564.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431875 + ... + 1057278.

It is an arithmetic number, because the mean of its divisors is an integer number (16574284020).

Almost surely, 2^465661121406 is an apocalyptic number.

465661121406 is an abundant number, since it is smaller than the sum of its proper divisors (595093055874).

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

465661121406 is a wasteful number, since it uses less digits than its factorization.

465661121406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489401.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 465661121406 in words is "four hundred sixty-five billion, six hundred sixty-one million, one hundred twenty-one thousand, four hundred six".