162961003 has 4 divisors (see below), whose sum is σ = 170046288. Its totient is φ = 155875720.

The previous prime is 162960977. The next prime is 162961021. The reversal of 162961003 is 300169261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162961003 - 2⁵ = 162960971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162961093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542608 + ... + 3542653.

It is an arithmetic number, because the mean of its divisors is an integer number (42511572).

Almost surely, 2^162961003 is an apocalyptic number.

162961003 is a deficient number, since it is larger than the sum of its proper divisors (7085285).

162961003 is an equidigital number, since it uses as much as digits as its factorization.

162961003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085284.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 162961003 is about 12765.6180030581. The cubic root of 162961003 is about 546.2119906107.

The spelling of 162961003 in words is "one hundred sixty-two million, nine hundred sixty-one thousand, three".