1071620537364 has 96 divisors (see below), whose sum is σ = 2995882736000. Its totient is φ = 329300287488.

The previous prime is 1071620537341. The next prime is 1071620537389. The reversal of 1071620537364 is 4637350261701.

1071620537364 is a `hidden beast` number, since 1 + 0 + 7 + 16 + 205 + 373 + 64 = 666.

1071620537364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1071620537364² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583407 + ... + 1575945.

Almost surely, 2^{1071620537364} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071620537364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497941368000).

1071620537364 is an abundant number, since it is smaller than the sum of its proper divisors (1924262198636).

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

1071620537364 is a wasteful number, since it uses less digits than its factorization.

1071620537364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993334 (or 993326 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 1071620537364 in words is "one trillion, seventy-one billion, six hundred twenty million, five hundred thirty-seven thousand, three hundred sixty-four".