1606430156 has 6 divisors (see below), whose sum is σ = 2811252780. Its totient is φ = 803215076.

The previous prime is 1606430141. The next prime is 1606430173. The reversal of 1606430156 is 6510346061.

It is a super-2 number, since 2×1606430156² = 5161235692212368672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200803766 + ... + 200803773.

It is an arithmetic number, because the mean of its divisors is an integer number (468542130).

Almost surely, 2^1606430156 is an apocalyptic number.

It is an amenable number.

1606430156 is a deficient number, since it is larger than the sum of its proper divisors (1204822624).

1606430156 is a wasteful number, since it uses less digits than its factorization.

1606430156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401607543 (or 401607541 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1606430156 is about 40080.2963561898. The cubic root of 1606430156 is about 1171.1718252001.

The spelling of 1606430156 in words is "one billion, six hundred six million, four hundred thirty thousand, one hundred fifty-six".