162889999950 has 96 divisors (see below), whose sum is σ = 422206414560. Its totient is φ = 41507020800.

The previous prime is 162889999949. The next prime is 162889999981. The reversal of 162889999950 is 59999988261.

It is a super-2 number, since 2×162889999950² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228930 + ... + 614970.

It is an arithmetic number, because the mean of its divisors is an integer number (4397983485).

Almost surely, 2^162889999950 is an apocalyptic number.

162889999950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162889999950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211103207280).

162889999950 is an abundant number, since it is smaller than the sum of its proper divisors (259316414610).

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

162889999950 is a wasteful number, since it uses less digits than its factorization.

162889999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386182 (or 386177 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 75.

The spelling of 162889999950 in words is "one hundred sixty-two billion, eight hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred fifty".