1672420554810 has 32 divisors (see below), whose sum is σ = 4459788146880. Its totient is φ = 445978814544.

The previous prime is 1672420554767. The next prime is 1672420554811. The reversal of 1672420554810 is 184550242761.

1672420554810 is a `hidden beast` number, since 1 + 6 + 72 + 4 + 20 + 5 + 548 + 10 = 666.

It is a super-2 number, since 2×1672420554810² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1672420554811) 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, 3097074832 + ... + 3097075371.

It is an arithmetic number, because the mean of its divisors is an integer number (139368379590).

Almost surely, 2^{1672420554810} is an apocalyptic number.

1672420554810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672420554810 is an abundant number, since it is smaller than the sum of its proper divisors (2787367592070).

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

1672420554810 is a wasteful number, since it uses less digits than its factorization.

1672420554810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194150219 (or 6194150213 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 1672420554810 in words is "one trillion, six hundred seventy-two billion, four hundred twenty million, five hundred fifty-four thousand, eight hundred ten".