1906542214620 has 24 divisors (see below), whose sum is σ = 5338318201104. Its totient is φ = 508411257216.

The previous prime is 1906542214613. The next prime is 1906542214627. The reversal of 1906542214620 is 264122456091.

It is an interprime number because it is at equal distance from previous prime (1906542214613) and next prime (1906542214627).

It is a super-2 number, since 2×1906542214620² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906542214627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15887851729 + ... + 15887851848.

It is an arithmetic number, because the mean of its divisors is an integer number (222429925046).

Almost surely, 2^{1906542214620} is an apocalyptic number.

1906542214620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1906542214620 is an abundant number, since it is smaller than the sum of its proper divisors (3431775986484).

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

1906542214620 is a wasteful number, since it uses less digits than its factorization.

1906542214620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31775703589 (or 31775703587 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1906542214620 in words is "one trillion, nine hundred six billion, five hundred forty-two million, two hundred fourteen thousand, six hundred twenty".