162645464 has 8 divisors (see below), whose sum is σ = 304960260. Its totient is φ = 81322728.

The previous prime is 162645463. The next prime is 162645467. The reversal of 162645464 is 464546261.

162645464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162645463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165334 + ... + 10165349.

Almost surely, 2^162645464 is an apocalyptic number.

It is an amenable number.

162645464 is a deficient number, since it is larger than the sum of its proper divisors (142314796).

162645464 is a wasteful number, since it uses less digits than its factorization.

162645464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330689 (or 20330685 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 162645464 is about 12753.2530751961. The cubic root of 162645464 is about 545.8592220704.

The spelling of 162645464 in words is "one hundred sixty-two million, six hundred forty-five thousand, four hundred sixty-four".