1626573640461 has 32 divisors (see below), whose sum is σ = 2706111614976. Its totient is φ = 844286760000.

The previous prime is 1626573640429. The next prime is 1626573640469. The reversal of 1626573640461 is 1640463756261.

It is not a de Polignac number, because 1626573640461 - 2⁵ = 1626573640429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626573640469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2575690 + ... + 3144411.

It is an arithmetic number, because the mean of its divisors is an integer number (84565987968).

Almost surely, 2^{1626573640461} is an apocalyptic number.

1626573640461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1626573640461 is a deficient number, since it is larger than the sum of its proper divisors (1079537974515).

1626573640461 is a wasteful number, since it uses less digits than its factorization.

1626573640461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721353.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 1626573640461 in words is "one trillion, six hundred twenty-six billion, five hundred seventy-three million, six hundred forty thousand, four hundred sixty-one".