159634490 has 32 divisors (see below), whose sum is σ = 306827136. Its totient is φ = 59653440.

The previous prime is 159634457. The next prime is 159634507. The reversal of 159634490 is 94436951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (9588348).

Almost surely, 2^159634490 is an apocalyptic number.

159634490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159634490 is a deficient number, since it is larger than the sum of its proper divisors (147192646).

159634490 is a wasteful number, since it uses less digits than its factorization.

159634490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16214.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 159634490 is about 12634.6543284729. The cubic root of 159634490 is about 542.4698136346.

It can be divided in two parts, 159 and 634490, that multiplied together give a triangular number (100883910 = T₁₄₂₀₄).

The spelling of 159634490 in words is "one hundred fifty-nine million, six hundred thirty-four thousand, four hundred ninety".