1642152272 has 20 divisors (see below), whose sum is σ = 3182358816. Its totient is φ = 820898400.

The previous prime is 1642152271. The next prime is 1642152293. The reversal of 1642152272 is 2722512461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642152271) 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, 96983 + ... + 112649.

Almost surely, 2^1642152272 is an apocalyptic number.

It is an amenable number.

1642152272 is a deficient number, since it is larger than the sum of its proper divisors (1540206544).

1642152272 is a wasteful number, since it uses less digits than its factorization.

1642152272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226 (or 22220 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 1642152272 is about 40523.4780343445. The cubic root of 1642152272 is about 1179.7893600839.

The spelling of 1642152272 in words is "one billion, six hundred forty-two million, one hundred fifty-two thousand, two hundred seventy-two".