151420781568 has 132 divisors (see below), whose sum is σ = 469484559312. Its totient is φ = 43263037440.

The previous prime is 151420781563. The next prime is 151420781581. The reversal of 151420781568 is 865187024151.

151420781568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (151420781563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352438 + ... + 653493.

Almost surely, 2^151420781568 is an apocalyptic number.

It is an amenable number.

151420781568 is an abundant number, since it is smaller than the sum of its proper divisors (318063777744).

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

151420781568 is a wasteful number, since it uses less digits than its factorization.

151420781568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005968 (or 1005943 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 151420781568 in words is "one hundred fifty-one billion, four hundred twenty million, seven hundred eighty-one thousand, five hundred sixty-eight".