161162703 has 48 divisors (see below), whose sum is σ = 275367456. Its totient is φ = 93312000.

The previous prime is 161162699. The next prime is 161162723. The reversal of 161162703 is 307261161.

It is not a de Polignac number, because 161162703 - 2² = 161162699 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161162723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52203 + ... + 55203.

It is an arithmetic number, because the mean of its divisors is an integer number (5736822).

Almost surely, 2^161162703 is an apocalyptic number.

161162703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

161162703 is a deficient number, since it is larger than the sum of its proper divisors (114204753).

161162703 is a wasteful number, since it uses less digits than its factorization.

161162703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 161162703 is about 12694.9873178353. The cubic root of 161162703 is about 544.1953763606.

The spelling of 161162703 in words is "one hundred sixty-one million, one hundred sixty-two thousand, seven hundred three".