162006641 has 4 divisors (see below), whose sum is σ = 169050432. Its totient is φ = 154962852.

The previous prime is 162006629. The next prime is 162006653. The reversal of 162006641 is 146600261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146600261 = 1033 ⋅141917.

It is an interprime number because it is at equal distance from previous prime (162006629) and next prime (162006653).

It is a cyclic number.

It is not a de Polignac number, because 162006641 - 2⁶ = 162006577 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 162006641.

It is not an unprimeable number, because it can be changed into a prime (162606641) 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, 3521861 + ... + 3521906.

It is an arithmetic number, because the mean of its divisors is an integer number (42262608).

Almost surely, 2^162006641 is an apocalyptic number.

It is an amenable number.

162006641 is a deficient number, since it is larger than the sum of its proper divisors (7043791).

162006641 is an equidigital number, since it uses as much as digits as its factorization.

162006641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043790.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 162006641 is about 12728.1829418028. The cubic root of 162006641 is about 545.1436268206.

The spelling of 162006641 in words is "one hundred sixty-two million, six thousand, six hundred forty-one".