155630681310 has 384 divisors, whose sum is σ = 446658347520. Its totient is φ = 34378380288.

The previous prime is 155630681287. The next prime is 155630681341. The reversal of 155630681310 is 13186036551.

It is a super-2 number, since 2×155630681310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 506940177 + ... + 506940483.

It is an arithmetic number, because the mean of its divisors is an integer number (1163172780).

Almost surely, 2^155630681310 is an apocalyptic number.

155630681310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155630681310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223329173760).

155630681310 is an abundant number, since it is smaller than the sum of its proper divisors (291027666210).

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

155630681310 is a wasteful number, since it uses less digits than its factorization.

155630681310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 155630681310 in words is "one hundred fifty-five billion, six hundred thirty million, six hundred eighty-one thousand, three hundred ten".