155601016 has 16 divisors (see below), whose sum is σ = 292273200. Its totient is φ = 77661504.

The previous prime is 155600981. The next prime is 155601023. The reversal of 155601016 is 610106551.

155601016 = 3111² + 3112² + ... + 3126².

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 3 ways as a sum of consecutive naturals, for example, 12540 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (18267075).

Almost surely, 2^155601016 is an apocalyptic number.

It is an amenable number.

155601016 is a deficient number, since it is larger than the sum of its proper divisors (136672184).

155601016 is a wasteful number, since it uses less digits than its factorization.

155601016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34758 (or 34754 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 155601016 is about 12474.0136283395. The cubic root of 155601016 is about 537.8619344172.

Adding to 155601016 its reverse (610106551), we get a palindrome (765707567).

The spelling of 155601016 in words is "one hundred fifty-five million, six hundred one thousand, sixteen".