151895655640 has 32 divisors (see below), whose sum is σ = 345605292000. Its totient is φ = 60075583744.

The previous prime is 151895655623. The next prime is 151895655647. The reversal of 151895655640 is 46556598151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151895655647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21330100 + ... + 21337219.

It is an arithmetic number, because the mean of its divisors is an integer number (10800165375).

Almost surely, 2^151895655640 is an apocalyptic number.

151895655640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151895655640 is an abundant number, since it is smaller than the sum of its proper divisors (193709636360).

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

151895655640 is a wasteful number, since it uses less digits than its factorization.

151895655640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667419 (or 42667415 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 151895655640 in words is "one hundred fifty-one billion, eight hundred ninety-five million, six hundred fifty-five thousand, six hundred forty".