1006641620154 has 12 divisors (see below), whose sum is σ = 2181056843706. Its totient is φ = 335547206712.

The previous prime is 1006641620111. The next prime is 1006641620161. The reversal of 1006641620154 is 4510261466001.

1006641620154 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 641 + 6 + 2 + 0 + 1 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 579478725225 + 427162894929 = 761235^2 + 653577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27962267209 + ... + 27962267244.

Almost surely, 2^{1006641620154} is an apocalyptic number.

1006641620154 is an abundant number, since it is smaller than the sum of its proper divisors (1174415223552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006641620154 is a wasteful number, since it uses less digits than its factorization.

1006641620154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55924534461 (or 55924534458 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1006641620154 in words is "one trillion, six billion, six hundred forty-one million, six hundred twenty thousand, one hundred fifty-four".