159633447081490 has 32 divisors (see below), whose sum is σ = 302616210600000. Its totient is φ = 60462107247168.

The previous prime is 159633447081467. The next prime is 159633447081523. The reversal of 159633447081490 is 94180744336951.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211896865 + ... + 212648884.

It is an arithmetic number, because the mean of its divisors is an integer number (9456756581250).

Almost surely, 2^{159633447081490} is an apocalyptic number.

159633447081490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159633447081490 is a deficient number, since it is larger than the sum of its proper divisors (142982763518510).

159633447081490 is a wasteful number, since it uses less digits than its factorization.

159633447081490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424547754.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 159633447081490 in words is "one hundred fifty-nine trillion, six hundred thirty-three billion, four hundred forty-seven million, eighty-one thousand, four hundred ninety".