162978941 has 8 divisors (see below), whose sum is σ = 172005600. Its totient is φ = 153997200.

The previous prime is 162978931. The next prime is 162978947. The reversal of 162978941 is 149879261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162978941 - 2¹⁴ = 162962557 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 (162978947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (21500700).

Almost surely, 2^162978941 is an apocalyptic number.

It is an amenable number.

162978941 is a deficient number, since it is larger than the sum of its proper divisors (9026659).

162978941 is a wasteful number, since it uses less digits than its factorization.

162978941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22459.

The product of its digits is 217728, while the sum is 47.

The square root of 162978941 is about 12766.3205740730. The cubic root of 162978941 is about 546.2320313792.

The spelling of 162978941 in words is "one hundred sixty-two million, nine hundred seventy-eight thousand, nine hundred forty-one".