1047261596164 has 81 divisors (see below), whose sum is σ = 2166205617639. Its totient is φ = 441722247120.

The previous prime is 1047261596159. The next prime is 1047261596167. The reversal of 1047261596164 is 4616951627401.

It is a happy number.

The square root of 1047261596164 is 1023358.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (1047261596167) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 959909259 + ... + 959910349.

Almost surely, 2^{1047261596164} is an apocalyptic number.

1047261596164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1047261596164 is the 1023358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047261596164

1047261596164 is an abundant number, since it is smaller than the sum of its proper divisors (1118944021475).

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

1047261596164 is an frugal number, since it uses more digits than its factorization.

1047261596164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1047261596164 in words is "one trillion, forty-seven billion, two hundred sixty-one million, five hundred ninety-six thousand, one hundred sixty-four".