90067066971 has 32 divisors (see below), whose sum is σ = 148862665728. Its totient is φ = 47257973760.

The previous prime is 90067066951. The next prime is 90067066981. The reversal of 90067066971 is 17966076009.

It is not a de Polignac number, because 90067066971 - 2¹³ = 90067058779 is a prime.

It is a super-2 number, since 2×90067066971² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (90067066951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3062055 + ... + 3091328.

It is an arithmetic number, because the mean of its divisors is an integer number (4651958304).

Almost surely, 2^90067066971 is an apocalyptic number.

90067066971 is a deficient number, since it is larger than the sum of its proper divisors (58795598757).

90067066971 is a wasteful number, since it uses less digits than its factorization.

90067066971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153451.

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 90067066971 in words is "ninety billion, sixty-seven million, sixty-six thousand, nine hundred seventy-one".