151555783668 has 12 divisors (see below), whose sum is σ = 353630161920. Its totient is φ = 50518594552.

The previous prime is 151555783637. The next prime is 151555783669. The reversal of 151555783668 is 866387555151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151555783669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6314824308 + ... + 6314824331.

It is an arithmetic number, because the mean of its divisors is an integer number (29469180160).

Almost surely, 2^151555783668 is an apocalyptic number.

It is an amenable number.

151555783668 is an abundant number, since it is smaller than the sum of its proper divisors (202074378252).

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

151555783668 is a wasteful number, since it uses less digits than its factorization.

151555783668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629648646 (or 12629648644 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 60.

The spelling of 151555783668 in words is "one hundred fifty-one billion, five hundred fifty-five million, seven hundred eighty-three thousand, six hundred sixty-eight".