151601816166 has 16 divisors (see below), whose sum is σ = 303262924800. Its totient is φ = 50524056648.

The previous prime is 151601816161. The next prime is 151601816167. The reversal of 151601816166 is 661618106151.

It is a super-2 number, since 2×151601816166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151601816161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437246 + ... + 2498673.

It is an arithmetic number, because the mean of its divisors is an integer number (18953932800).

Almost surely, 2^151601816166 is an apocalyptic number.

151601816166 is an abundant number, since it is smaller than the sum of its proper divisors (151661108634).

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

151601816166 is a wasteful number, since it uses less digits than its factorization.

151601816166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941043.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 151601816166 in words is "one hundred fifty-one billion, six hundred one million, eight hundred sixteen thousand, one hundred sixty-six".