151166202120 has 48 divisors (see below), whose sum is σ = 491290158060. Its totient is φ = 40310987136.

The previous prime is 151166202097. The next prime is 151166202137. The reversal of 151166202120 is 21202661151.

151166202120 is a `hidden beast` number, since 1 + 5 + 1 + 16 + 620 + 2 + 1 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143533384164 + 7632817956 = 378858^2 + 87366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209952699 + ... + 209953418.

Almost surely, 2^151166202120 is an apocalyptic number.

151166202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151166202120 is an abundant number, since it is smaller than the sum of its proper divisors (340123955940).

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

151166202120 is a wasteful number, since it uses less digits than its factorization.

151166202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419906134 (or 419906127 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 151166202120 its reverse (21202661151), we get a palindrome (172368863271).

The spelling of 151166202120 in words is "one hundred fifty-one billion, one hundred sixty-six million, two hundred two thousand, one hundred twenty".