1872678066061 has 16 divisors (see below), whose sum is σ = 2048456982528. Its totient is φ = 1697822607600.

The previous prime is 1872678066053. The next prime is 1872678066191. The reversal of 1872678066061 is 1606608762781.

It is a happy number.

It is not a de Polignac number, because 1872678066061 - 2³ = 1872678066053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1872678065987 and 1872678066005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872678066461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67760716 + ... + 67788346.

It is an arithmetic number, because the mean of its divisors is an integer number (128028561408).

Almost surely, 2^{1872678066061} is an apocalyptic number.

1872678066061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1872678066061 is a deficient number, since it is larger than the sum of its proper divisors (175778916467).

1872678066061 is a wasteful number, since it uses less digits than its factorization.

1872678066061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44112.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 1872678066061 in words is "one trillion, eight hundred seventy-two billion, six hundred seventy-eight million, sixty-six thousand, sixty-one".