151890720128 has 64 divisors (see below), whose sum is σ = 345900049920. Its totient is φ = 65081448960.

The previous prime is 151890720109. The next prime is 151890720133. The reversal of 151890720128 is 821027098151.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×151890720128² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616825 + ... + 4649607.

It is an arithmetic number, because the mean of its divisors is an integer number (5404688280).

Almost surely, 2^151890720128 is an apocalyptic number.

It is an amenable number.

151890720128 is an abundant number, since it is smaller than the sum of its proper divisors (194009329792).

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

151890720128 is an equidigital number, since it uses as much as digits as its factorization.

151890720128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37975 (or 37963 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 151890720128 in words is "one hundred fifty-one billion, eight hundred ninety million, seven hundred twenty thousand, one hundred twenty-eight".