1025670664516 has 27 divisors (see below), whose sum is σ = 1808426094111. Its totient is φ = 509006109384.

The previous prime is 1025670664471. The next prime is 1025670664523. The reversal of 1025670664516 is 6154660765201.

The square root of 1025670664516 is 1012754.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025670664516.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 281543791 + ... + 281547433.

Almost surely, 2^{1025670664516} is an apocalyptic number.

1025670664516 is the 1012754-th square number.

It is an amenable number.

1025670664516 is a deficient number, since it is larger than the sum of its proper divisors (782755429595).

1025670664516 is an frugal number, since it uses more digits than its factorization.

1025670664516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568 (or 3784 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

Multiplying 1025670664516 by its sum of digits (49), we get a square (50257862561284 = 7089278²).

The spelling of 1025670664516 in words is "one trillion, twenty-five billion, six hundred seventy million, six hundred sixty-four thousand, five hundred sixteen".