163215046 has 8 divisors (see below), whose sum is σ = 245775960. Its totient is φ = 81289728.

The previous prime is 163215023. The next prime is 163215049. The reversal of 163215046 is 640512361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163215049) 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, 158256 + ... + 159283.

It is an arithmetic number, because the mean of its divisors is an integer number (30721995).

Almost surely, 2^163215046 is an apocalyptic number.

163215046 is a deficient number, since it is larger than the sum of its proper divisors (82560914).

163215046 is a wasteful number, since it uses less digits than its factorization.

163215046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317798.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 163215046 is about 12775.5644102325. The cubic root of 163215046 is about 546.4956766597.

The spelling of 163215046 in words is "one hundred sixty-three million, two hundred fifteen thousand, forty-six".