162801490 has 16 divisors (see below), whose sum is σ = 294136920. Its totient is φ = 64877440.

The previous prime is 162801479. The next prime is 162801493. The reversal of 162801490 is 94108261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59799289 + 103002201 = 7733^2 + 10149^2 .

It is not an unprimeable number, because it can be changed into a prime (162801493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27571 + ... + 32950.

Almost surely, 2^162801490 is an apocalyptic number.

162801490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162801490 is a deficient number, since it is larger than the sum of its proper divisors (131335430).

162801490 is a wasteful number, since it uses less digits than its factorization.

162801490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60797.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 162801490 is about 12759.3687147915. The cubic root of 162801490 is about 546.0337141003.

The spelling of 162801490 in words is "one hundred sixty-two million, eight hundred one thousand, four hundred ninety".