162537623 has 4 divisors (see below), whose sum is σ = 162563688. Its totient is φ = 162511560.

The previous prime is 162537589. The next prime is 162537649. The reversal of 162537623 is 326735261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 162537623 - 2¹⁴ = 162521239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162530623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465 + ... + 18197.

It is an arithmetic number, because the mean of its divisors is an integer number (40640922).

Almost surely, 2^162537623 is an apocalyptic number.

162537623 is a deficient number, since it is larger than the sum of its proper divisors (26065).

162537623 is a wasteful number, since it uses less digits than its factorization.

162537623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26064.

The product of its digits is 45360, while the sum is 35.

The square root of 162537623 is about 12749.0243940468. The cubic root of 162537623 is about 545.7385526135.

The spelling of 162537623 in words is "one hundred sixty-two million, five hundred thirty-seven thousand, six hundred twenty-three".