196212156 has 48 divisors (see below), whose sum is σ = 523918080. Its totient is φ = 55987200.

The previous prime is 196212151. The next prime is 196212157. The reversal of 196212156 is 651212691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196212151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121756 + ... + 123356.

It is an arithmetic number, because the mean of its divisors is an integer number (10914960).

Almost surely, 2^196212156 is an apocalyptic number.

It is an amenable number.

196212156 is an abundant number, since it is smaller than the sum of its proper divisors (327705924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196212156 is a wasteful number, since it uses less digits than its factorization.

196212156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3072 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 196212156 is about 14007.5749507186. The cubic root of 196212156 is about 581.0880843024.

The spelling of 196212156 in words is "one hundred ninety-six million, two hundred twelve thousand, one hundred fifty-six".