161062803 has 16 divisors (see below), whose sum is σ = 260304000. Its totient is φ = 97613640.

The previous prime is 161062789. The next prime is 161062807. The reversal of 161062803 is 308260161.

It is not a de Polignac number, because 161062803 - 2⁴ = 161062787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (161062807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270853 + ... + 271446.

It is an arithmetic number, because the mean of its divisors is an integer number (16269000).

Almost surely, 2^161062803 is an apocalyptic number.

161062803 is a deficient number, since it is larger than the sum of its proper divisors (99241197).

161062803 is a wasteful number, since it uses less digits than its factorization.

161062803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542319 (or 542313 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 161062803 is about 12691.0520840472. The cubic root of 161062803 is about 544.0829095717.

The spelling of 161062803 in words is "one hundred sixty-one million, sixty-two thousand, eight hundred three".