162061643 has 8 divisors (see below), whose sum is σ = 167015520. Its totient is φ = 157155520.

The previous prime is 162061639. The next prime is 162061649. The reversal of 162061643 is 346160261.

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 162061643 - 2² = 162061639 is a prime.

It is a super-2 number, since 2×162061643² = 52527952263718898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162061649) 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, 4988 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (20876940).

Almost surely, 2^162061643 is an apocalyptic number.

162061643 is a deficient number, since it is larger than the sum of its proper divisors (4953877).

162061643 is a wasteful number, since it uses less digits than its factorization.

162061643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23877.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 162061643 is about 12730.3433967824. The cubic root of 162061643 is about 545.2053127634.

The spelling of 162061643 in words is "one hundred sixty-two million, sixty-one thousand, six hundred forty-three".