151661622 has 32 divisors (see below), whose sum is σ = 349396992. Its totient is φ = 42989184.

The previous prime is 151661599. The next prime is 151661633. The reversal of 151661622 is 226166151.

It is a self number, because there is not a number n which added to its sum of digits gives 151661622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8883 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (10918656).

Almost surely, 2^151661622 is an apocalyptic number.

151661622 is an abundant number, since it is smaller than the sum of its proper divisors (197735370).

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

151661622 is a wasteful number, since it uses less digits than its factorization.

151661622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28572.

The product of its digits is 4320, while the sum is 30.

The square root of 151661622 is about 12315.0973199565. The cubic root of 151661622 is about 533.2840142763.

The spelling of 151661622 in words is "one hundred fifty-one million, six hundred sixty-one thousand, six hundred twenty-two".