2151706067007 has 16 divisors (see below), whose sum is σ = 3315630539520. Its totient is φ = 1215731195712.

The previous prime is 2151706066973. The next prime is 2151706067009. The reversal of 2151706067007 is 7007606071512.

It is not a de Polignac number, because 2151706067007 - 2¹⁰ = 2151706065983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151706067007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151706067009) 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, 575628433 + ... + 575632170.

It is an arithmetic number, because the mean of its divisors is an integer number (207226908720).

Almost surely, 2^{2151706067007} is an apocalyptic number.

2151706067007 is a deficient number, since it is larger than the sum of its proper divisors (1163924472513).

2151706067007 is a wasteful number, since it uses less digits than its factorization.

2151706067007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151260702.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 2151706067007 in words is "two trillion, one hundred fifty-one billion, seven hundred six million, sixty-seven thousand, seven".