1650612122145 has 24 divisors (see below), whose sum is σ = 3269784014016. Its totient is φ = 754565541408.

The previous prime is 1650612122111. The next prime is 1650612122207. The reversal of 1650612122145 is 5412212160561.

1650612122145 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 612 + 1 + 22 + 14 + 5 = 666.

It is not a de Polignac number, because 1650612122145 - 2⁹ = 1650612121633 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2620018927 + ... + 2620019556.

It is an arithmetic number, because the mean of its divisors is an integer number (136241000584).

Almost surely, 2^{1650612122145} is an apocalyptic number.

1650612122145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650612122145 is a deficient number, since it is larger than the sum of its proper divisors (1619171891871).

1650612122145 is a wasteful number, since it uses less digits than its factorization.

1650612122145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240038501 (or 5240038498 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 1650612122145 in words is "one trillion, six hundred fifty billion, six hundred twelve million, one hundred twenty-two thousand, one hundred forty-five".