155996562 has 8 divisors (see below), whose sum is σ = 311993136. Its totient is φ = 51998852.

The previous prime is 155996527. The next prime is 155996563. The reversal of 155996562 is 265699551.

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

155996562 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (155996563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12999708 + ... + 12999719.

It is an arithmetic number, because the mean of its divisors is an integer number (38999142).

Almost surely, 2^155996562 is an apocalyptic number.

155996562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155996562 is a wasteful number, since it uses less digits than its factorization.

155996562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25999432.

The product of its digits is 729000, while the sum is 48.

The square root of 155996562 is about 12489.8583658903. The cubic root of 155996562 is about 538.3173065889.

The spelling of 155996562 in words is "one hundred fifty-five million, nine hundred ninety-six thousand, five hundred sixty-two".