155216536 has 16 divisors (see below), whose sum is σ = 291270240. Its totient is φ = 77544480.

The previous prime is 155216533. The next prime is 155216539. The reversal of 155216536 is 635612551.

It is an interprime number because it is at equal distance from previous prime (155216533) and next prime (155216539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155216533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306 + ... + 17926.

It is an arithmetic number, because the mean of its divisors is an integer number (18204390).

Almost surely, 2^155216536 is an apocalyptic number.

It is an amenable number.

155216536 is a deficient number, since it is larger than the sum of its proper divisors (136053704).

155216536 is a wasteful number, since it uses less digits than its factorization.

155216536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954 (or 15950 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 155216536 is about 12458.5928579435. The cubic root of 155216536 is about 537.4185617377.

The spelling of 155216536 in words is "one hundred fifty-five million, two hundred sixteen thousand, five hundred thirty-six".