155171157616 has 10 divisors (see below), whose sum is σ = 300644117912. Its totient is φ = 77585578800.

The previous prime is 155171157613. The next prime is 155171157637. The reversal of 155171157616 is 616751171551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155171157611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849098660 + ... + 4849098691.

Almost surely, 2^155171157616 is an apocalyptic number.

155171157616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155171157616 is a deficient number, since it is larger than the sum of its proper divisors (145472960296).

155171157616 is an equidigital number, since it uses as much as digits as its factorization.

155171157616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698197359 (or 9698197353 counting only the distinct ones).

The product of its digits is 220500, while the sum is 46.

The spelling of 155171157616 in words is "one hundred fifty-five billion, one hundred seventy-one million, one hundred fifty-seven thousand, six hundred sixteen".