196712155 has 8 divisors (see below), whose sum is σ = 241077312. Its totient is φ = 154021248.

The previous prime is 196712147. The next prime is 196712171. The reversal of 196712155 is 551217691.

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 196712155 - 2³ = 196712147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418302 + ... + 418771.

It is an arithmetic number, because the mean of its divisors is an integer number (30134664).

Almost surely, 2^196712155 is an apocalyptic number.

196712155 is a deficient number, since it is larger than the sum of its proper divisors (44365157).

196712155 is an equidigital number, since it uses as much as digits as its factorization.

196712155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837125.

The product of its digits is 18900, while the sum is 37.

The square root of 196712155 is about 14025.4110456699. The cubic root of 196712155 is about 581.5812528921.

The spelling of 196712155 in words is "one hundred ninety-six million, seven hundred twelve thousand, one hundred fifty-five".