159768351550 has 12 divisors (see below), whose sum is σ = 297169133976. Its totient is φ = 63907340600.

The previous prime is 159768351527. The next prime is 159768351551. The reversal of 159768351550 is 55153867951.

It is a junction number, because it is equal to n+sod(n) for n = 159768351491 and 159768351500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159768351551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597683466 + ... + 1597683565.

It is an arithmetic number, because the mean of its divisors is an integer number (24764094498).

Almost surely, 2^159768351550 is an apocalyptic number.

159768351550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159768351550 is a deficient number, since it is larger than the sum of its proper divisors (137400782426).

159768351550 is a wasteful number, since it uses less digits than its factorization.

159768351550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195367043 (or 3195367038 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 55.

The spelling of 159768351550 in words is "one hundred fifty-nine billion, seven hundred sixty-eight million, three hundred fifty-one thousand, five hundred fifty".