8161534 has 8 divisors (see below), whose sum is σ = 12573288. Its totient is φ = 3970440.

The previous prime is 8161519. The next prime is 8161537. The reversal of 8161534 is 4351618.

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

It is a super-2 number, since 2×8161534² = 133221274466312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161537) 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, 55072 + ... + 55219.

It is an arithmetic number, because the mean of its divisors is an integer number (1571661).

Almost surely, 2^8161534 is an apocalyptic number.

8161534 is a deficient number, since it is larger than the sum of its proper divisors (4411754).

8161534 is a wasteful number, since it uses less digits than its factorization.

8161534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110330.

The product of its digits is 2880, while the sum is 28.

The square root of 8161534 is about 2856.8398625054. The cubic root of 8161534 is about 201.3371568016.

The spelling of 8161534 in words is "eight million, one hundred sixty-one thousand, five hundred thirty-four".