162672661 has 8 divisors (see below), whose sum is σ = 171370880. Its totient is φ = 153988128.

The previous prime is 162672659. The next prime is 162672691. The reversal of 162672661 is 166276261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 162672661 - 2¹ = 162672659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162672661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162672611) 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 7 ways as a sum of consecutive naturals, for example, 28900 + ... + 34066.

It is an arithmetic number, because the mean of its divisors is an integer number (21421360).

Almost surely, 2^162672661 is an apocalyptic number.

It is an amenable number.

162672661 is a deficient number, since it is larger than the sum of its proper divisors (8698219).

162672661 is a wasteful number, since it uses less digits than its factorization.

162672661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843.

The product of its digits is 36288, while the sum is 37.

The square root of 162672661 is about 12754.3193075914. The cubic root of 162672661 is about 545.8896459250.

The spelling of 162672661 in words is "one hundred sixty-two million, six hundred seventy-two thousand, six hundred sixty-one".