199152870 has 192 divisors, whose sum is σ = 600431616. Its totient is φ = 41368320.

The previous prime is 199152859. The next prime is 199152887. The reversal of 199152870 is 78251991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2804935 + ... + 2805005.

It is an arithmetic number, because the mean of its divisors is an integer number (3127248).

Almost surely, 2^199152870 is an apocalyptic number.

199152870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199152870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300215808).

199152870 is an abundant number, since it is smaller than the sum of its proper divisors (401278746).

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

199152870 is a wasteful number, since it uses less digits than its factorization.

199152870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 199152870 is about 14112.1532729772. The cubic root of 199152870 is about 583.9767047535.

The spelling of 199152870 in words is "one hundred ninety-nine million, one hundred fifty-two thousand, eight hundred seventy".