155216196 has 24 divisors (see below), whose sum is σ = 402412640. Its totient is φ = 51738696.

The previous prime is 155216189. The next prime is 155216203. The reversal of 155216196 is 691612551.

155216196 is a `hidden beast` number, since 1 + 552 + 16 + 1 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (155216189) and next prime (155216203).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155216196.

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, 718486 + ... + 718701.

Almost surely, 2^155216196 is an apocalyptic number.

It is an amenable number.

155216196 is an abundant number, since it is smaller than the sum of its proper divisors (247196444).

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

155216196 is a wasteful number, since it uses less digits than its factorization.

155216196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437200 (or 1437192 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 155216196 is about 12458.5792127353. The cubic root of 155216196 is about 537.4181693344.

The spelling of 155216196 in words is "one hundred fifty-five million, two hundred sixteen thousand, one hundred ninety-six".