1551006166000 has 40 divisors (see below), whose sum is σ = 3750332914224. Its totient is φ = 620402465600.

The previous prime is 1551006165971. The next prime is 1551006166001. The reversal of 1551006166000 is 6616001551.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551006166001) 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, 387749542 + ... + 387753541.

Almost surely, 2^{1551006166000} is an apocalyptic number.

1551006166000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551006166000 is an abundant number, since it is smaller than the sum of its proper divisors (2199326748224).

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

1551006166000 is an equidigital number, since it uses as much as digits as its factorization.

1551006166000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775503106 (or 775503090 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1551006166000 in words is "one trillion, five hundred fifty-one billion, six million, one hundred sixty-six thousand".