151603273026 has 64 divisors (see below), whose sum is σ = 341873481600. Its totient is φ = 50413207680.

The previous prime is 151603273021. The next prime is 151603273037. The reversal of 151603273026 is 620372306151.

151603273026 is a `hidden beast` number, since 1 + 5 + 1 + 603 + 27 + 3 + 0 + 26 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151603273021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791346 + ... + 1874066.

It is an arithmetic number, because the mean of its divisors is an integer number (5341773150).

Almost surely, 2^151603273026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151603273026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170936740800).

151603273026 is an abundant number, since it is smaller than the sum of its proper divisors (190270208574).

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

151603273026 is an frugal number, since it uses more digits than its factorization.

151603273026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83163 (or 83145 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 151603273026 its reverse (620372306151), we get a palindrome (771975579177).

The spelling of 151603273026 in words is "one hundred fifty-one billion, six hundred three million, two hundred seventy-three thousand, twenty-six".