1354066970661 has 40 divisors (see below), whose sum is σ = 2029409208288. Its totient is φ = 899740548000.

The previous prime is 1354066970611. The next prime is 1354066970791. The reversal of 1354066970661 is 1660796604531.

It is a happy number.

1354066970661 is a `hidden beast` number, since 1 + 3 + 540 + 6 + 6 + 97 + 0 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 1354066970661 - 2¹⁰ = 1354066969637 is a prime.

It is a super-2 number, since 2×1354066970661² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1354066970598 and 1354066970607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354066970611) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32233291 + ... + 32275271.

Almost surely, 2^{1354066970661} is an apocalyptic number.

It is an amenable number.

1354066970661 is a deficient number, since it is larger than the sum of its proper divisors (675342237627).

1354066970661 is an equidigital number, since it uses as much as digits as its factorization.

1354066970661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43295 (or 43286 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 1354066970661 in words is "one trillion, three hundred fifty-four billion, sixty-six million, nine hundred seventy thousand, six hundred sixty-one".