1651165672252 has 24 divisors (see below), whose sum is σ = 2951085715200. Its totient is φ = 807999113520.

The previous prime is 1651165672241. The next prime is 1651165672271. The reversal of 1651165672252 is 2522765611561.

It is a junction number, because it is equal to n+sod(n) for n = 1651165672196 and 1651165672205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12738127 + ... + 12867097.

It is an arithmetic number, because the mean of its divisors is an integer number (122961904800).

Almost surely, 2^{1651165672252} is an apocalyptic number.

It is an amenable number.

1651165672252 is a deficient number, since it is larger than the sum of its proper divisors (1299920042948).

1651165672252 is a wasteful number, since it uses less digits than its factorization.

1651165672252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197121 (or 197119 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 49.

The spelling of 1651165672252 in words is "one trillion, six hundred fifty-one billion, one hundred sixty-five million, six hundred seventy-two thousand, two hundred fifty-two".