161030473211520 has 3072 divisors, whose sum is σ = 668217235046400. Its totient is φ = 35621904384000.

The previous prime is 161030473211467. The next prime is 161030473211539. The reversal of 161030473211520 is 25112374030161.

161030473211520 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 30 + 473 + 2 + 1 + 152 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 486496897755 + ... + 486496898085.

It is an arithmetic number, because the mean of its divisors is an integer number (217518631200).

Almost surely, 2^{161030473211520} is an apocalyptic number.

161030473211520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161030473211520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334108617523200).

161030473211520 is an abundant number, since it is smaller than the sum of its proper divisors (507186761834880).

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

161030473211520 is a wasteful number, since it uses less digits than its factorization.

161030473211520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 161030473211520 in words is "one hundred sixty-one trillion, thirty billion, four hundred seventy-three million, two hundred eleven thousand, five hundred twenty".