162378099 has 12 divisors (see below), whose sum is σ = 252588336. Its totient is φ = 99924912.

The previous prime is 162378079. The next prime is 162378109. The reversal of 162378099 is 990873261.

It is not a de Polignac number, because 162378099 - 2⁹ = 162377587 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (162378059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693807 + ... + 694040.

It is an arithmetic number, because the mean of its divisors is an integer number (21049028).

Almost surely, 2^162378099 is an apocalyptic number.

162378099 is a deficient number, since it is larger than the sum of its proper divisors (90210237).

162378099 is a wasteful number, since it uses less digits than its factorization.

162378099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387866 (or 1387863 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 162378099 is about 12742.7665363531. The cubic root of 162378099 is about 545.5599541816.

It can be divided in two parts, 16237 and 8099, that added together give a square (24336 = 156²).

The spelling of 162378099 in words is "one hundred sixty-two million, three hundred seventy-eight thousand, ninety-nine".