1602981165 has 8 divisors (see below), whose sum is σ = 2564769888. Its totient is φ = 854923280.

The previous prime is 1602981143. The next prime is 1602981181. The reversal of 1602981165 is 5611892061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1602981165 - 2¹⁸ = 1602719021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53432691 + ... + 53432720.

It is an arithmetic number, because the mean of its divisors is an integer number (320596236).

Almost surely, 2^1602981165 is an apocalyptic number.

1602981165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1602981165 is a deficient number, since it is larger than the sum of its proper divisors (961788723).

1602981165 is a wasteful number, since it uses less digits than its factorization.

1602981165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106865419.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1602981165 is about 40037.2472205570. The cubic root of 1602981165 is about 1170.3330595377. Note that the first 3 decimals are identical.

The spelling of 1602981165 in words is "one billion, six hundred two million, nine hundred eighty-one thousand, one hundred sixty-five".