1158406206 has 16 divisors (see below), whose sum is σ = 2320491648. Its totient is φ = 385522200.

The previous prime is 1158406187. The next prime is 1158406217. The reversal of 1158406206 is 6026048511.

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, 149200 + ... + 156771.

It is an arithmetic number, because the mean of its divisors is an integer number (145030728).

Almost surely, 2^1158406206 is an apocalyptic number.

1158406206 is an abundant number, since it is smaller than the sum of its proper divisors (1162085442).

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

1158406206 is a wasteful number, since it uses less digits than its factorization.

1158406206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306607.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1158406206 is about 34035.3669878848. The cubic root of 1158406206 is about 1050.2361391799.

The spelling of 1158406206 in words is "one billion, one hundred fifty-eight million, four hundred six thousand, two hundred six".