199193070 has 16 divisors (see below), whose sum is σ = 478063440. Its totient is φ = 53118144.

The previous prime is 199193021. The next prime is 199193081. The reversal of 199193070 is 70391991.

It is a congruent 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, 3319855 + ... + 3319914.

It is an arithmetic number, because the mean of its divisors is an integer number (29878965).

Almost surely, 2^199193070 is an apocalyptic number.

199193070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199193070 is an abundant number, since it is smaller than the sum of its proper divisors (278870370).

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

199193070 is a wasteful number, since it uses less digits than its factorization.

199193070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639779.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 199193070 is about 14113.5775053670. The cubic root of 199193070 is about 584.0159949801.

The spelling of 199193070 in words is "one hundred ninety-nine million, one hundred ninety-three thousand, seventy".