162809813446 has 24 divisors (see below), whose sum is σ = 293250597696. Its totient is φ = 67524806160.

The previous prime is 162809813429. The next prime is 162809813497. The reversal of 162809813446 is 644318908261.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 162809813393 and 162809813402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26792521 + ... + 26798596.

It is an arithmetic number, because the mean of its divisors is an integer number (12218774904).

Almost surely, 2^162809813446 is an apocalyptic number.

162809813446 is a deficient number, since it is larger than the sum of its proper divisors (130440784250).

162809813446 is a wasteful number, since it uses less digits than its factorization.

162809813446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53591164 (or 53591157 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 162809813446 in words is "one hundred sixty-two billion, eight hundred nine million, eight hundred thirteen thousand, four hundred forty-six".