151606635505 has 8 divisors (see below), whose sum is σ = 195922421352. Its totient is φ = 111955669248.

The previous prime is 151606635463. The next prime is 151606635517. The reversal of 151606635505 is 505536606151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5034044401 + 146572591104 = 70951^2 + 382848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151606635505 - 2¹³ = 151606627313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166204824 + ... + 1166204953.

It is an arithmetic number, because the mean of its divisors is an integer number (24490302669).

Almost surely, 2^151606635505 is an apocalyptic number.

It is an amenable number.

151606635505 is a deficient number, since it is larger than the sum of its proper divisors (44315785847).

151606635505 is a wasteful number, since it uses less digits than its factorization.

151606635505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332409795.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 151606635505 in words is "one hundred fifty-one billion, six hundred six million, six hundred thirty-five thousand, five hundred five".