1601434644480 has 2080 divisors, whose sum is σ = 6850559232000. Its totient is φ = 353540505600.

The previous prime is 1601434644479. The next prime is 1601434644517. The reversal of 1601434644480 is 844464341061.

1601434644480 is a `hidden beast` number, since 1 + 6 + 0 + 143 + 4 + 64 + 448 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 10747883446 + ... + 10747883594.

Almost surely, 2^{1601434644480} is an apocalyptic number.

1601434644480 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 1601434644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3425279616000).

1601434644480 is an abundant number, since it is smaller than the sum of its proper divisors (5249124587520).

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

1601434644480 is a wasteful number, since it uses less digits than its factorization.

1601434644480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 1601434644480 in words is "one trillion, six hundred one billion, four hundred thirty-four million, six hundred forty-four thousand, four hundred eighty".