1455661206406 has 32 divisors (see below), whose sum is σ = 2464406830080. Its totient is φ = 638776068000.

The previous prime is 1455661206397. The next prime is 1455661206449. The reversal of 1455661206406 is 6046021665541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5737131 + ... + 5985481.

It is an arithmetic number, because the mean of its divisors is an integer number (77012713440).

Almost surely, 2^{1455661206406} is an apocalyptic number.

1455661206406 is a deficient number, since it is larger than the sum of its proper divisors (1008745623674).

1455661206406 is a wasteful number, since it uses less digits than its factorization.

1455661206406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257580.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1455661206406 in words is "one trillion, four hundred fifty-five billion, six hundred sixty-one million, two hundred six thousand, four hundred six".