999070158 has 16 divisors (see below), whose sum is σ = 1999984896. Its totient is φ = 332715960.

The previous prime is 999070157. The next prime is 999070183. The reversal of 999070158 is 851070999.

It is a super-2 number, since 2×999070158² = 1996282361212289928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999070153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69766 + ... + 82857.

It is an arithmetic number, because the mean of its divisors is an integer number (124999056).

Almost surely, 2^999070158 is an apocalyptic number.

999070158 is an abundant number, since it is smaller than the sum of its proper divisors (1000914738).

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

999070158 is a wasteful number, since it uses less digits than its factorization.

999070158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153719.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 999070158 is about 31608.0710895176. The cubic root of 999070158 is about 999.6899565497.

The spelling of 999070158 in words is "nine hundred ninety-nine million, seventy thousand, one hundred fifty-eight".