162006521403 has 16 divisors (see below), whose sum is σ = 221377090176. Its totient is φ = 105327989760.

The previous prime is 162006521387. The next prime is 162006521431. The reversal of 162006521403 is 304125600261.

It is not a de Polignac number, because 162006521403 - 2⁴ = 162006521387 is a prime.

It is a super-2 number, since 2×162006521403² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162006521603) 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, 896925 + ... + 1062302.

It is an arithmetic number, because the mean of its divisors is an integer number (13836068136).

Almost surely, 2^162006521403 is an apocalyptic number.

162006521403 is a deficient number, since it is larger than the sum of its proper divisors (59370568773).

162006521403 is a wasteful number, since it uses less digits than its factorization.

162006521403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959914.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 162006521403 in words is "one hundred sixty-two billion, six million, five hundred twenty-one thousand, four hundred three".