69148357447680 has 2080 divisors, whose sum is σ = 290777632494720. Its totient is φ = 15780758224896.

The previous prime is 69148357447657. The next prime is 69148357447693. The reversal of 69148357447680 is 8674475384196.

69148357447680 is a `hidden beast` number, since 6 + 9 + 1 + 4 + 8 + 3 + 5 + 74 + 476 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 69148357447599 and 69148357447608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 107540213439 + ... + 107540214081.

Almost surely, 2^{69148357447680} is an apocalyptic number.

69148357447680 is a gapful number since it is divisible by the number (60) 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 69148357447680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145388816247360).

69148357447680 is an abundant number, since it is smaller than the sum of its proper divisors (221629275047040).

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

69148357447680 is an frugal number, since it uses more digits than its factorization.

69148357447680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 69148357447680 in words is "sixty-nine trillion, one hundred forty-eight billion, three hundred fifty-seven million, four hundred forty-seven thousand, six hundred eighty".