1602074964361 has 9 divisors (see below), whose sum is σ = 1606220790631. Its totient is φ = 1597939821184.

The previous prime is 1602074964349. The next prime is 1602074964409. The reversal of 1602074964361 is 1634694702061.

The square root of 1602074964361 is 1265731.

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

It can be written as a sum of positive squares in only one way, i.e., 979048901961 + 623026062400 = 989469^2 + 789320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1602074964361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1602074964331) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 568311810 + ... + 568314628.

Almost surely, 2^{1602074964361} is an apocalyptic number.

1602074964361 is the 1265731-st square number.

1602074964361 is the 632866-th centered octagonal number.

It is an amenable number.

1602074964361 is a deficient number, since it is larger than the sum of its proper divisors (4145826270).

1602074964361 is an frugal number, since it uses more digits than its factorization.

1602074964361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

Multiplying 1602074964361 by its sum of digits (49), we get a square (78501673253689 = 8860117²).

The spelling of 1602074964361 in words is "one trillion, six hundred two billion, seventy-four million, nine hundred sixty-four thousand, three hundred sixty-one".