162965398 has 4 divisors (see below), whose sum is σ = 244448100. Its totient is φ = 81482698.

The previous prime is 162965393. The next prime is 162965423. The reversal of 162965398 is 893569261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893569261 = 13 ⋅68736097.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162965393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40741348 + ... + 40741351.

It is an arithmetic number, because the mean of its divisors is an integer number (61112025).

Almost surely, 2^162965398 is an apocalyptic number.

162965398 is a deficient number, since it is larger than the sum of its proper divisors (81482702).

162965398 is an equidigital number, since it uses as much as digits as its factorization.

162965398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81482701.

The product of its digits is 699840, while the sum is 49.

The square root of 162965398 is about 12765.7901439746. The cubic root of 162965398 is about 546.2169009473.

The spelling of 162965398 in words is "one hundred sixty-two million, nine hundred sixty-five thousand, three hundred ninety-eight".