816153 has 16 divisors (see below), whose sum is σ = 1241856. Its totient is φ = 472320.

The previous prime is 816133. The next prime is 816157. The reversal of 816153 is 351618.

It is not a de Polignac number, because 816153 - 2⁵ = 816121 is a prime.

It is a super-2 number, since 2×816153² = 1332211438818, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (816157) 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, 48 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (77616).

2⁸¹⁶¹⁵³ is an apocalyptic number.

It is an amenable number.

816153 is a deficient number, since it is larger than the sum of its proper divisors (425703).

816153 is a wasteful number, since it uses less digits than its factorization.

816153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its digits is 720, while the sum is 24.

The square root of 816153 is about 903.4118662050. The cubic root of 816153 is about 93.4524146130.

It can be divided in two parts, 81615 and 3, that added together give a palindrome (81618).

The spelling of 816153 in words is "eight hundred sixteen thousand, one hundred fifty-three".