1521472165346 has 24 divisors (see below), whose sum is σ = 2654873255916. Its totient is φ = 652044865920.

The previous prime is 1521472165337. The next prime is 1521472165379. The reversal of 1521472165346 is 6435612741251.

It can be written as a sum of positive squares in 2 ways, for example, as 801273829321 + 720198336025 = 895139^2 + 848645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1521472165346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4992806 + ... + 5288766.

Almost surely, 2^{1521472165346} is an apocalyptic number.

1521472165346 is a deficient number, since it is larger than the sum of its proper divisors (1133401090570).

1521472165346 is a wasteful number, since it uses less digits than its factorization.

1521472165346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348434 (or 348427 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 1521472165346 in words is "one trillion, five hundred twenty-one billion, four hundred seventy-two million, one hundred sixty-five thousand, three hundred forty-six".