160990503 has 8 divisors (see below), whose sum is σ = 214959600. Its totient is φ = 107174208.

The previous prime is 160990499. The next prime is 160990507. The reversal of 160990503 is 305099061.

It is an interprime number because it is at equal distance from previous prime (160990499) and next prime (160990507).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160990503 - 2² = 160990499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160990507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35718 + ... + 39971.

It is an arithmetic number, because the mean of its divisors is an integer number (26869950).

Almost surely, 2^160990503 is an apocalyptic number.

160990503 is a deficient number, since it is larger than the sum of its proper divisors (53969097).

160990503 is an equidigital number, since it uses as much as digits as its factorization.

160990503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76401.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 160990503 is about 12688.2033007042. The cubic root of 160990503 is about 544.0014856775.

The spelling of 160990503 in words is "one hundred sixty million, nine hundred ninety thousand, five hundred three".