16163151420 has 192 divisors, whose sum is σ = 52029250560. Its totient is φ = 3715891200.

The previous prime is 16163151397. The next prime is 16163151463. The reversal of 16163151420 is 2415136161.

It is a happy number.

It is a super-2 number, since 2×16163151420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1044540 + ... + 1059900.

It is an arithmetic number, because the mean of its divisors is an integer number (270985680).

Almost surely, 2^16163151420 is an apocalyptic number.

16163151420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16163151420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26014625280).

16163151420 is an abundant number, since it is smaller than the sum of its proper divisors (35866099140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16163151420 is a wasteful number, since it uses less digits than its factorization.

16163151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15476 (or 15474 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 16163151420 its reverse (2415136161), we get a palindrome (18578287581).

The spelling of 16163151420 in words is "sixteen billion, one hundred sixty-three million, one hundred fifty-one thousand, four hundred twenty".