161675234 has 32 divisors (see below), whose sum is σ = 290082816. Its totient is φ = 66076560.

The previous prime is 161675233. The next prime is 161675243. The reversal of 161675234 is 432576161.

It is a super-2 number, since 2×161675234² = 52277762577909512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161675194 and 161675203.

It is not an unprimeable number, because it can be changed into a prime (161675233) 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, 156299 + ... + 157329.

It is an arithmetic number, because the mean of its divisors is an integer number (9065088).

Almost surely, 2^161675234 is an apocalyptic number.

161675234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161675234 is a deficient number, since it is larger than the sum of its proper divisors (128407582).

161675234 is a wasteful number, since it uses less digits than its factorization.

161675234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its digits is 30240, while the sum is 35.

The square root of 161675234 is about 12715.1576474694. The cubic root of 161675234 is about 544.7716508235.

The spelling of 161675234 in words is "one hundred sixty-one million, six hundred seventy-five thousand, two hundred thirty-four".