162966461 has 4 divisors (see below), whose sum is σ = 186247392. Its totient is φ = 139685532.

The previous prime is 162966443. The next prime is 162966511. The reversal of 162966461 is 164669261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164669261 = 83 ⋅1983967.

It is not a de Polignac number, because 162966461 - 2¹⁸ = 162704317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162966161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11640455 + ... + 11640468.

It is an arithmetic number, because the mean of its divisors is an integer number (46561848).

Almost surely, 2^162966461 is an apocalyptic number.

It is an amenable number.

162966461 is a deficient number, since it is larger than the sum of its proper divisors (23280931).

162966461 is an equidigital number, since it uses as much as digits as its factorization.

162966461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23280930.

The product of its digits is 93312, while the sum is 41.

The square root of 162966461 is about 12765.8317786190. The cubic root of 162966461 is about 546.2180885763.

The spelling of 162966461 in words is "one hundred sixty-two million, nine hundred sixty-six thousand, four hundred sixty-one".