162201851 has 8 divisors (see below), whose sum is σ = 185474784. Its totient is φ = 138954240.

The previous prime is 162201833. The next prime is 162201869. The reversal of 162201851 is 158102261.

162201851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (162201833) and next prime (162201869).

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 162201851 - 2¹⁸ = 161939707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162201851.

It is not an unprimeable number, because it can be changed into a prime (162201551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10331 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (23184348).

Almost surely, 2^162201851 is an apocalyptic number.

162201851 is a deficient number, since it is larger than the sum of its proper divisors (23272933).

162201851 is a wasteful number, since it uses less digits than its factorization.

162201851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12661.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 162201851 is about 12735.8490490426. The cubic root of 162201851 is about 545.3624959828.

The spelling of 162201851 in words is "one hundred sixty-two million, two hundred one thousand, eight hundred fifty-one".