162140401 has 16 divisors (see below), whose sum is σ = 171533824. Its totient is φ = 153062784.

The previous prime is 162140399. The next prime is 162140411. The reversal of 162140401 is 104041261.

It is not a de Polignac number, because 162140401 - 2¹ = 162140399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162140411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354565 + ... + 355021.

It is an arithmetic number, because the mean of its divisors is an integer number (10720864).

Almost surely, 2^162140401 is an apocalyptic number.

It is an amenable number.

162140401 is a deficient number, since it is larger than the sum of its proper divisors (9393423).

162140401 is a wasteful number, since it uses less digits than its factorization.

162140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 162140401 is about 12733.4363390249. The cubic root of 162140401 is about 545.2936172820.

Adding to 162140401 its reverse (104041261), we get a palindrome (266181662).

The spelling of 162140401 in words is "one hundred sixty-two million, one hundred forty thousand, four hundred one".