162661249 has 8 divisors (see below), whose sum is σ = 163860480. Its totient is φ = 161466816.

The previous prime is 162661241. The next prime is 162661271. The reversal of 162661249 is 942166261.

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 162661249 - 2³ = 162661241 is a prime.

It is a super-5 number, since 5×162661249⁵ (a number of 42 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162661241) 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, 90649 + ... + 92425.

It is an arithmetic number, because the mean of its divisors is an integer number (20482560).

Almost surely, 2^162661249 is an apocalyptic number.

It is an amenable number.

162661249 is a deficient number, since it is larger than the sum of its proper divisors (1199231).

162661249 is a wasteful number, since it uses less digits than its factorization.

162661249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its digits is 31104, while the sum is 37.

The square root of 162661249 is about 12753.8719218910. The cubic root of 162661249 is about 545.8768803333.

The spelling of 162661249 in words is "one hundred sixty-two million, six hundred sixty-one thousand, two hundred forty-nine".